19707472

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42473}}^1$

素因数の和:42510

約数の個数: 20

約数和(自身を含む): 39500820

約数和(自身を除く): 19793348

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42473, 84946, 169892, 339784, 679568, 1231717, 2463434, 4926868, 9853736, 19707472]

約数ペア:

[(1, 19707472), (2, 9853736), (4, 4926868), (8, 2463434), (16, 1231717), (29, 679568), (58, 339784), (116, 169892), (232, 84946), (464, 42473)]