18993808

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4967}}^1$

素因数の和:5214

約数の個数: 20

約数和(自身を含む): 36961920

約数和(自身を除く): 17968112

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4967, 9934, 19868, 39736, 79472, 1187113, 2374226, 4748452, 9496904, 18993808]

約数ペア:

[(1, 18993808), (2, 9496904), (4, 4748452), (8, 2374226), (16, 1187113), (239, 79472), (478, 39736), (956, 19868), (1912, 9934), (3824, 4967)]