18001998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{142873}}^1$

素因数の和:142888

約数の個数: 24

約数和(自身を含む): 44576688

約数和(自身を除く): 26574690

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 142873, 285746, 428619, 857238, 1000111, 1285857, 2000222, 2571714, 3000333, 6000666, 9000999, 18001998]

約数ペア:

[(1, 18001998), (2, 9000999), (3, 6000666), (6, 3000333), (7, 2571714), (9, 2000222), (14, 1285857), (18, 1000111), (21, 857238), (42, 428619), (63, 285746), (126, 142873)]