19643440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8467}}^1$

素因数の和:8509

約数の個数: 40

約数和(自身を含む): 47251440

約数和(自身を除く): 27608000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8467, 16934, 33868, 42335, 67736, 84670, 135472, 169340, 245543, 338680, 491086, 677360, 982172, 1227715, 1964344, 2455430, 3928688, 4910860, 9821720, 19643440]

約数ペア:

[(1, 19643440), (2, 9821720), (4, 4910860), (5, 3928688), (8, 2455430), (10, 1964344), (16, 1227715), (20, 982172), (29, 677360), (40, 491086), (58, 338680), (80, 245543), (116, 169340), (145, 135472), (232, 84670), (290, 67736), (464, 42335), (580, 33868), (1160, 16934), (2320, 8467)]