18597616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 38060064

約数和(自身を除く): 19462448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 97, 184, 194, 368, 388, 521, 776, 1042, 1552, 2084, 2231, 4168, 4462, 8336, 8924, 11983, 17848, 23966, 35696, 47932, 50537, 95864, 101074, 191728, 202148, 404296, 808592, 1162351, 2324702, 4649404, 9298808, 18597616]

約数ペア:

[(1, 18597616), (2, 9298808), (4, 4649404), (8, 2324702), (16, 1162351), (23, 808592), (46, 404296), (92, 202148), (97, 191728), (184, 101074), (194, 95864), (368, 50537), (388, 47932), (521, 35696), (776, 23966), (1042, 17848), (1552, 11983), (2084, 8924), (2231, 8336), (4168, 4462)]