18904468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22613}}^1$

素因数の和:22647

約数の個数: 24

約数和(自身を含む): 37991520

約数和(自身を除く): 19087052

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22613, 45226, 90452, 248743, 429647, 497486, 859294, 994972, 1718588, 4726117, 9452234, 18904468]

約数ペア:

[(1, 18904468), (2, 9452234), (4, 4726117), (11, 1718588), (19, 994972), (22, 859294), (38, 497486), (44, 429647), (76, 248743), (209, 90452), (418, 45226), (836, 22613)]