19407720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161731}}^1$

素因数の和:161745

約数の個数: 32

約数和(自身を含む): 58223520

約数和(自身を除く): 38815800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161731, 323462, 485193, 646924, 808655, 970386, 1293848, 1617310, 1940772, 2425965, 3234620, 3881544, 4851930, 6469240, 9703860, 19407720]

約数ペア:

[(1, 19407720), (2, 9703860), (3, 6469240), (4, 4851930), (5, 3881544), (6, 3234620), (8, 2425965), (10, 1940772), (12, 1617310), (15, 1293848), (20, 970386), (24, 808655), (30, 646924), (40, 485193), (60, 323462), (120, 161731)]