19686438

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13177}}^1$

素因数の和:13268

約数の個数: 24

約数和(自身を含む): 43171128

約数和(自身を除く): 23484690

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13177, 26354, 39531, 79062, 118593, 237186, 1093691, 2187382, 3281073, 6562146, 9843219, 19686438]

約数ペア:

[(1, 19686438), (2, 9843219), (3, 6562146), (6, 3281073), (9, 2187382), (18, 1093691), (83, 237186), (166, 118593), (249, 79062), (498, 39531), (747, 26354), (1494, 13177)]