19050120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 46613880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 569, 620, 744, 837, 930, 1080, 1116, 1138, 1240, 1395, 1674, 1707, 1860, 2232, 2276, 2790, 2845, 3348, 3414, 3720, 4185, 4552, 5121, 5580, 5690, 6696, 6828, 8370, 8535, 10242, 11160, 11380, 13656, 15363, 16740, 17070, 17639, 20484, 22760, 25605, 30726, 33480, 34140, 35278, 40968, 51210, 52917, 61452, 68280, 70556, 76815, 88195, 102420, 105834, 122904, 141112, 153630, 158751, 176390, 204840, 211668, 264585, 307260, 317502, 352780, 423336, 476253, 529170, 614520, 635004, 705560, 793755, 952506, 1058340, 1270008, 1587510, 1905012, 2116680, 2381265, 3175020, 3810024, 4762530, 6350040, 9525060, 19050120]

約数ペア:

[(1, 19050120), (2, 9525060), (3, 6350040), (4, 4762530), (5, 3810024), (6, 3175020), (8, 2381265), (9, 2116680), (10, 1905012), (12, 1587510), (15, 1270008), (18, 1058340), (20, 952506), (24, 793755), (27, 705560), (30, 635004), (31, 614520), (36, 529170), (40, 476253), (45, 423336), (54, 352780), (60, 317502), (62, 307260), (72, 264585), (90, 211668), (93, 204840), (108, 176390), (120, 158751), (124, 153630), (135, 141112), (155, 122904), (180, 105834), (186, 102420), (216, 88195), (248, 76815), (270, 70556), (279, 68280), (310, 61452), (360, 52917), (372, 51210), (465, 40968), (540, 35278), (558, 34140), (569, 33480), (620, 30726), (744, 25605), (837, 22760), (930, 20484), (1080, 17639), (1116, 17070), (1138, 16740), (1240, 15363), (1395, 13656), (1674, 11380), (1707, 11160), (1860, 10242), (2232, 8535), (2276, 8370), (2790, 6828), (2845, 6696), (3348, 5690), (3414, 5580), (3720, 5121), (4185, 4552)]