18620250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 52925184

約数和(自身を除く): 34304934

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 37, 50, 55, 61, 66, 74, 75, 110, 111, 122, 125, 150, 165, 183, 185, 222, 250, 275, 305, 330, 366, 370, 375, 407, 550, 555, 610, 671, 750, 814, 825, 915, 925, 1110, 1221, 1342, 1375, 1525, 1650, 1830, 1850, 2013, 2035, 2257, 2442, 2750, 2775, 3050, 3355, 4026, 4070, 4125, 4514, 4575, 4625, 5550, 6105, 6710, 6771, 7625, 8250, 9150, 9250, 10065, 10175, 11285, 12210, 13542, 13875, 15250, 16775, 20130, 20350, 22570, 22875, 24827, 27750, 30525, 33550, 33855, 45750, 49654, 50325, 50875, 56425, 61050, 67710, 74481, 83875, 100650, 101750, 112850, 124135, 148962, 152625, 167750, 169275, 248270, 251625, 282125, 305250, 338550, 372405, 503250, 564250, 620675, 744810, 846375, 1241350, 1692750, 1862025, 3103375, 3724050, 6206750, 9310125, 18620250]

約数ペア:

[(1, 18620250), (2, 9310125), (3, 6206750), (5, 3724050), (6, 3103375), (10, 1862025), (11, 1692750), (15, 1241350), (22, 846375), (25, 744810), (30, 620675), (33, 564250), (37, 503250), (50, 372405), (55, 338550), (61, 305250), (66, 282125), (74, 251625), (75, 248270), (110, 169275), (111, 167750), (122, 152625), (125, 148962), (150, 124135), (165, 112850), (183, 101750), (185, 100650), (222, 83875), (250, 74481), (275, 67710), (305, 61050), (330, 56425), (366, 50875), (370, 50325), (375, 49654), (407, 45750), (550, 33855), (555, 33550), (610, 30525), (671, 27750), (750, 24827), (814, 22875), (825, 22570), (915, 20350), (925, 20130), (1110, 16775), (1221, 15250), (1342, 13875), (1375, 13542), (1525, 12210), (1650, 11285), (1830, 10175), (1850, 10065), (2013, 9250), (2035, 9150), (2257, 8250), (2442, 7625), (2750, 6771), (2775, 6710), (3050, 6105), (3355, 5550), (4026, 4625), (4070, 4575), (4125, 4514)]