18535984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68147}}^1$

素因数の和:68172

約数の個数: 20

約数和(自身を含む): 38026584

約数和(自身を除く): 19490600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68147, 136294, 272588, 545176, 1090352, 1158499, 2316998, 4633996, 9267992, 18535984]

約数ペア:

[(1, 18535984), (2, 9267992), (4, 4633996), (8, 2316998), (16, 1158499), (17, 1090352), (34, 545176), (68, 272588), (136, 136294), (272, 68147)]