18747898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 13258118

約数列:

[1, 2, 13, 23, 26, 46, 107, 214, 293, 299, 586, 598, 1391, 2461, 2782, 3809, 4922, 6739, 7618, 13478, 31351, 31993, 62702, 63986, 87607, 175214, 407563, 721073, 815126, 1442146, 9373949, 18747898]

約数ペア:

[(1, 18747898), (2, 9373949), (13, 1442146), (23, 815126), (26, 721073), (46, 407563), (107, 175214), (214, 87607), (293, 63986), (299, 62702), (586, 31993), (598, 31351), (1391, 13478), (2461, 7618), (2782, 6739), (3809, 4922)]