19172464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70487}}^1$

素因数の和:70512

約数の個数: 20

約数和(自身を含む): 39332304

約数和(自身を除く): 20159840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70487, 140974, 281948, 563896, 1127792, 1198279, 2396558, 4793116, 9586232, 19172464]

約数ペア:

[(1, 19172464), (2, 9586232), (4, 4793116), (8, 2396558), (16, 1198279), (17, 1127792), (34, 563896), (68, 281948), (136, 140974), (272, 70487)]