19652680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28901}}^1$

素因数の和:28929

約数の個数: 32

約数和(自身を含む): 46821240

約数和(自身を除く): 27168560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28901, 57802, 115604, 144505, 231208, 289010, 491317, 578020, 982634, 1156040, 1965268, 2456585, 3930536, 4913170, 9826340, 19652680]

約数ペア:

[(1, 19652680), (2, 9826340), (4, 4913170), (5, 3930536), (8, 2456585), (10, 1965268), (17, 1156040), (20, 982634), (34, 578020), (40, 491317), (68, 289010), (85, 231208), (136, 144505), (170, 115604), (340, 57802), (680, 28901)]