19951472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73351}}^1$

素因数の和:73376

約数の個数: 20

約数和(自身を含む): 40930416

約数和(自身を除く): 20978944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73351, 146702, 293404, 586808, 1173616, 1246967, 2493934, 4987868, 9975736, 19951472]

約数ペア:

[(1, 19951472), (2, 9975736), (4, 4987868), (8, 2493934), (16, 1246967), (17, 1173616), (34, 586808), (68, 293404), (136, 146702), (272, 73351)]