19129198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8609}}^1$

素因数の和:8723

約数の個数: 16

約数和(自身を含む): 31615920

約数和(自身を除く): 12486722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 8609, 17218, 94699, 189398, 869509, 1739018, 9564599, 19129198]

約数ペア:

[(1, 19129198), (2, 9564599), (11, 1739018), (22, 869509), (101, 189398), (202, 94699), (1111, 17218), (2222, 8609)]