18081008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5445

約数の個数: 40

約数和(自身を含む): 40235520

約数和(自身を除く): 22154512

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5407, 10814, 21628, 43256, 59477, 86512, 102733, 118954, 205466, 237908, 410932, 475816, 821864, 951632, 1130063, 1643728, 2260126, 4520252, 9040504, 18081008]

約数ペア:

[(1, 18081008), (2, 9040504), (4, 4520252), (8, 2260126), (11, 1643728), (16, 1130063), (19, 951632), (22, 821864), (38, 475816), (44, 410932), (76, 237908), (88, 205466), (152, 118954), (176, 102733), (209, 86512), (304, 59477), (418, 43256), (836, 21628), (1672, 10814), (3344, 5407)]