18152528

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 36426240

約数和(自身を除く): 18273712

約数列:

[1, 2, 4, 8, 16, 47, 94, 101, 188, 202, 239, 376, 404, 478, 752, 808, 956, 1616, 1912, 3824, 4747, 9494, 11233, 18988, 22466, 24139, 37976, 44932, 48278, 75952, 89864, 96556, 179728, 193112, 386224, 1134533, 2269066, 4538132, 9076264, 18152528]

約数ペア:

[(1, 18152528), (2, 9076264), (4, 4538132), (8, 2269066), (16, 1134533), (47, 386224), (94, 193112), (101, 179728), (188, 96556), (202, 89864), (239, 75952), (376, 48278), (404, 44932), (478, 37976), (752, 24139), (808, 22466), (956, 18988), (1616, 11233), (1912, 9494), (3824, 4747)]