19265790160

素因数分解:

$2^4\times 5^1\times {\mathrm{2311}}^1\times {\mathrm{104207}}^1$

素因数の和:106531

約数の個数: 40

約数和(自身を含む): 44812774656

約数和(自身を除く): 25546984496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2311, 4622, 9244, 11555, 18488, 23110, 36976, 46220, 92440, 104207, 184880, 208414, 416828, 521035, 833656, 1042070, 1667312, 2084140, 4168280, 8336560, 240822377, 481644754, 963289508, 1204111885, 1926579016, 2408223770, 3853158032, 4816447540, 9632895080, 19265790160]

約数ペア:

[(1, 19265790160), (2, 9632895080), (4, 4816447540), (5, 3853158032), (8, 2408223770), (10, 1926579016), (16, 1204111885), (20, 963289508), (40, 481644754), (80, 240822377), (2311, 8336560), (4622, 4168280), (9244, 2084140), (11555, 1667312), (18488, 1042070), (23110, 833656), (36976, 521035), (46220, 416828), (92440, 208414), (104207, 184880)]