19935180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 68544000

約数和(自身を除く): 48608820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 67, 76, 87, 90, 95, 108, 114, 116, 134, 135, 145, 171, 174, 180, 190, 201, 228, 261, 268, 270, 285, 290, 335, 342, 348, 380, 402, 435, 513, 522, 540, 551, 570, 580, 603, 670, 684, 783, 804, 855, 870, 1005, 1026, 1044, 1102, 1140, 1206, 1273, 1305, 1340, 1566, 1653, 1710, 1740, 1809, 1943, 2010, 2052, 2204, 2412, 2546, 2565, 2610, 2755, 3015, 3132, 3306, 3420, 3618, 3819, 3886, 3915, 4020, 4959, 5092, 5130, 5220, 5510, 5829, 6030, 6365, 6612, 7236, 7638, 7772, 7830, 8265, 9045, 9715, 9918, 10260, 11020, 11457, 11658, 12060, 12730, 14877, 15276, 15660, 16530, 17487, 18090, 19095, 19430, 19836, 22914, 23316, 24795, 25460, 29145, 29754, 33060, 34371, 34974, 36180, 36917, 38190, 38860, 45828, 49590, 52461, 57285, 58290, 59508, 68742, 69948, 73834, 74385, 76380, 87435, 99180, 104922, 110751, 114570, 116580, 137484, 147668, 148770, 171855, 174870, 184585, 209844, 221502, 229140, 262305, 297540, 332253, 343710, 349740, 369170, 443004, 524610, 553755, 664506, 687420, 738340, 996759, 1049220, 1107510, 1329012, 1661265, 1993518, 2215020, 3322530, 3987036, 4983795, 6645060, 9967590, 19935180]

約数ペア:

[(1, 19935180), (2, 9967590), (3, 6645060), (4, 4983795), (5, 3987036), (6, 3322530), (9, 2215020), (10, 1993518), (12, 1661265), (15, 1329012), (18, 1107510), (19, 1049220), (20, 996759), (27, 738340), (29, 687420), (30, 664506), (36, 553755), (38, 524610), (45, 443004), (54, 369170), (57, 349740), (58, 343710), (60, 332253), (67, 297540), (76, 262305), (87, 229140), (90, 221502), (95, 209844), (108, 184585), (114, 174870), (116, 171855), (134, 148770), (135, 147668), (145, 137484), (171, 116580), (174, 114570), (180, 110751), (190, 104922), (201, 99180), (228, 87435), (261, 76380), (268, 74385), (270, 73834), (285, 69948), (290, 68742), (335, 59508), (342, 58290), (348, 57285), (380, 52461), (402, 49590), (435, 45828), (513, 38860), (522, 38190), (540, 36917), (551, 36180), (570, 34974), (580, 34371), (603, 33060), (670, 29754), (684, 29145), (783, 25460), (804, 24795), (855, 23316), (870, 22914), (1005, 19836), (1026, 19430), (1044, 19095), (1102, 18090), (1140, 17487), (1206, 16530), (1273, 15660), (1305, 15276), (1340, 14877), (1566, 12730), (1653, 12060), (1710, 11658), (1740, 11457), (1809, 11020), (1943, 10260), (2010, 9918), (2052, 9715), (2204, 9045), (2412, 8265), (2546, 7830), (2565, 7772), (2610, 7638), (2755, 7236), (3015, 6612), (3132, 6365), (3306, 6030), (3420, 5829), (3618, 5510), (3819, 5220), (3886, 5130), (3915, 5092), (4020, 4959)]