18189840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4024

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 41181360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 3989, 4560, 7978, 11967, 15956, 19945, 23934, 31912, 39890, 47868, 59835, 63824, 75791, 79780, 95736, 119670, 151582, 159560, 191472, 227373, 239340, 303164, 319120, 378955, 454746, 478680, 606328, 757910, 909492, 957360, 1136865, 1212656, 1515820, 1818984, 2273730, 3031640, 3637968, 4547460, 6063280, 9094920, 18189840]

約数ペア:

[(1, 18189840), (2, 9094920), (3, 6063280), (4, 4547460), (5, 3637968), (6, 3031640), (8, 2273730), (10, 1818984), (12, 1515820), (15, 1212656), (16, 1136865), (19, 957360), (20, 909492), (24, 757910), (30, 606328), (38, 478680), (40, 454746), (48, 378955), (57, 319120), (60, 303164), (76, 239340), (80, 227373), (95, 191472), (114, 159560), (120, 151582), (152, 119670), (190, 95736), (228, 79780), (240, 75791), (285, 63824), (304, 59835), (380, 47868), (456, 39890), (570, 31912), (760, 23934), (912, 19945), (1140, 15956), (1520, 11967), (2280, 7978), (3989, 4560)]