18776120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 27793480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 307, 440, 556, 614, 695, 1112, 1228, 1390, 1529, 1535, 2456, 2780, 3058, 3070, 3377, 5560, 6116, 6140, 6754, 7645, 12232, 12280, 13508, 15290, 16885, 27016, 30580, 33770, 42673, 61160, 67540, 85346, 135080, 170692, 213365, 341384, 426730, 469403, 853460, 938806, 1706920, 1877612, 2347015, 3755224, 4694030, 9388060, 18776120]

約数ペア:

[(1, 18776120), (2, 9388060), (4, 4694030), (5, 3755224), (8, 2347015), (10, 1877612), (11, 1706920), (20, 938806), (22, 853460), (40, 469403), (44, 426730), (55, 341384), (88, 213365), (110, 170692), (139, 135080), (220, 85346), (278, 67540), (307, 61160), (440, 42673), (556, 33770), (614, 30580), (695, 27016), (1112, 16885), (1228, 15290), (1390, 13508), (1529, 12280), (1535, 12232), (2456, 7645), (2780, 6754), (3058, 6140), (3070, 6116), (3377, 5560)]