19642140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 73945872

約数和(自身を除く): 54303732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 131, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 262, 294, 306, 315, 340, 357, 393, 420, 441, 476, 490, 510, 524, 588, 595, 612, 630, 655, 714, 735, 765, 786, 833, 882, 917, 980, 1020, 1071, 1179, 1190, 1260, 1310, 1428, 1470, 1530, 1572, 1666, 1764, 1785, 1834, 1965, 2142, 2205, 2227, 2358, 2380, 2499, 2620, 2751, 2940, 3060, 3332, 3570, 3668, 3930, 4165, 4284, 4410, 4454, 4585, 4716, 4998, 5355, 5502, 5895, 6419, 6681, 7140, 7497, 7860, 8253, 8330, 8820, 8908, 9170, 9996, 10710, 11004, 11135, 11790, 12495, 12838, 13362, 13755, 14994, 15589, 16506, 16660, 18340, 19257, 20043, 21420, 22270, 23580, 24990, 25676, 26724, 27510, 29988, 31178, 32095, 33012, 33405, 37485, 38514, 40086, 41265, 44540, 46767, 49980, 55020, 57771, 62356, 64190, 66810, 74970, 77028, 77945, 80172, 82530, 93534, 96285, 100215, 109123, 115542, 128380, 133620, 140301, 149940, 155890, 165060, 187068, 192570, 200430, 218246, 231084, 233835, 280602, 288855, 311780, 327369, 385140, 400860, 436492, 467670, 545615, 561204, 577710, 654738, 701505, 935340, 982107, 1091230, 1155420, 1309476, 1403010, 1636845, 1964214, 2182460, 2806020, 3273690, 3928428, 4910535, 6547380, 9821070, 19642140]

約数ペア:

[(1, 19642140), (2, 9821070), (3, 6547380), (4, 4910535), (5, 3928428), (6, 3273690), (7, 2806020), (9, 2182460), (10, 1964214), (12, 1636845), (14, 1403010), (15, 1309476), (17, 1155420), (18, 1091230), (20, 982107), (21, 935340), (28, 701505), (30, 654738), (34, 577710), (35, 561204), (36, 545615), (42, 467670), (45, 436492), (49, 400860), (51, 385140), (60, 327369), (63, 311780), (68, 288855), (70, 280602), (84, 233835), (85, 231084), (90, 218246), (98, 200430), (102, 192570), (105, 187068), (119, 165060), (126, 155890), (131, 149940), (140, 140301), (147, 133620), (153, 128380), (170, 115542), (180, 109123), (196, 100215), (204, 96285), (210, 93534), (238, 82530), (245, 80172), (252, 77945), (255, 77028), (262, 74970), (294, 66810), (306, 64190), (315, 62356), (340, 57771), (357, 55020), (393, 49980), (420, 46767), (441, 44540), (476, 41265), (490, 40086), (510, 38514), (524, 37485), (588, 33405), (595, 33012), (612, 32095), (630, 31178), (655, 29988), (714, 27510), (735, 26724), (765, 25676), (786, 24990), (833, 23580), (882, 22270), (917, 21420), (980, 20043), (1020, 19257), (1071, 18340), (1179, 16660), (1190, 16506), (1260, 15589), (1310, 14994), (1428, 13755), (1470, 13362), (1530, 12838), (1572, 12495), (1666, 11790), (1764, 11135), (1785, 11004), (1834, 10710), (1965, 9996), (2142, 9170), (2205, 8908), (2227, 8820), (2358, 8330), (2380, 8253), (2499, 7860), (2620, 7497), (2751, 7140), (2940, 6681), (3060, 6419), (3332, 5895), (3570, 5502), (3668, 5355), (3930, 4998), (4165, 4716), (4284, 4585), (4410, 4454)]