18368584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 18927416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 739, 956, 1478, 1912, 2956, 3107, 5912, 6214, 9607, 12428, 19214, 24856, 38428, 76856, 176621, 353242, 706484, 1412968, 2296073, 4592146, 9184292, 18368584]

約数ペア:

[(1, 18368584), (2, 9184292), (4, 4592146), (8, 2296073), (13, 1412968), (26, 706484), (52, 353242), (104, 176621), (239, 76856), (478, 38428), (739, 24856), (956, 19214), (1478, 12428), (1912, 9607), (2956, 6214), (3107, 5912)]