18236439940

素因数分解:

$2^2\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{292157}}^1$

素因数の和:295287

約数の個数: 24

約数和(自身を含む): 38308925592

約数和(自身を除く): 20072485652

約数列:

[1, 2, 4, 5, 10, 20, 3121, 6242, 12484, 15605, 31210, 62420, 292157, 584314, 1168628, 1460785, 2921570, 5843140, 911821997, 1823643994, 3647287988, 4559109985, 9118219970, 18236439940]

約数ペア:

[(1, 18236439940), (2, 9118219970), (4, 4559109985), (5, 3647287988), (10, 1823643994), (20, 911821997), (3121, 5843140), (6242, 2921570), (12484, 1460785), (15605, 1168628), (31210, 584314), (62420, 292157)]