18491218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21157}}^1$

素因数の和:21201

約数の個数: 16

約数和(自身を含む): 30467520

約数和(自身を除く): 11976302

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21157, 42314, 401983, 486611, 803966, 973222, 9245609, 18491218]

約数ペア:

[(1, 18491218), (2, 9245609), (19, 973222), (23, 803966), (38, 486611), (46, 401983), (437, 42314), (874, 21157)]