18155696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 38164224

約数和(自身を除く): 20008528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 457, 764, 914, 1528, 1828, 2483, 3056, 3656, 4966, 5941, 7312, 9932, 11882, 19864, 23764, 39728, 47528, 87287, 95056, 174574, 349148, 698296, 1134731, 1396592, 2269462, 4538924, 9077848, 18155696]

約数ペア:

[(1, 18155696), (2, 9077848), (4, 4538924), (8, 2269462), (13, 1396592), (16, 1134731), (26, 698296), (52, 349148), (104, 174574), (191, 95056), (208, 87287), (382, 47528), (457, 39728), (764, 23764), (914, 19864), (1528, 11882), (1828, 9932), (2483, 7312), (3056, 5941), (3656, 4966)]