19513620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 52191468

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, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 911, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1822, 2142, 2380, 2733, 3060, 3570, 3644, 4284, 4555, 5355, 5466, 6377, 7140, 8199, 9110, 10710, 10932, 12754, 13665, 15487, 16398, 18220, 19131, 21420, 25508, 27330, 30974, 31885, 32796, 38262, 40995, 46461, 54660, 57393, 61948, 63770, 76524, 77435, 81990, 92922, 95655, 108409, 114786, 127540, 139383, 154870, 163980, 185844, 191310, 216818, 229572, 232305, 278766, 286965, 309740, 325227, 382620, 433636, 464610, 542045, 557532, 573930, 650454, 696915, 929220, 975681, 1084090, 1147860, 1300908, 1393830, 1626135, 1951362, 2168180, 2787660, 3252270, 3902724, 4878405, 6504540, 9756810, 19513620]

約数ペア:

[(1, 19513620), (2, 9756810), (3, 6504540), (4, 4878405), (5, 3902724), (6, 3252270), (7, 2787660), (9, 2168180), (10, 1951362), (12, 1626135), (14, 1393830), (15, 1300908), (17, 1147860), (18, 1084090), (20, 975681), (21, 929220), (28, 696915), (30, 650454), (34, 573930), (35, 557532), (36, 542045), (42, 464610), (45, 433636), (51, 382620), (60, 325227), (63, 309740), (68, 286965), (70, 278766), (84, 232305), (85, 229572), (90, 216818), (102, 191310), (105, 185844), (119, 163980), (126, 154870), (140, 139383), (153, 127540), (170, 114786), (180, 108409), (204, 95655), (210, 92922), (238, 81990), (252, 77435), (255, 76524), (306, 63770), (315, 61948), (340, 57393), (357, 54660), (420, 46461), (476, 40995), (510, 38262), (595, 32796), (612, 31885), (630, 30974), (714, 27330), (765, 25508), (911, 21420), (1020, 19131), (1071, 18220), (1190, 16398), (1260, 15487), (1428, 13665), (1530, 12754), (1785, 10932), (1822, 10710), (2142, 9110), (2380, 8199), (2733, 7140), (3060, 6377), (3570, 5466), (3644, 5355), (4284, 4555)]