19743720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164531}}^1$

素因数の和:164545

約数の個数: 32

約数和(自身を含む): 59231520

約数和(自身を除く): 39487800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164531, 329062, 493593, 658124, 822655, 987186, 1316248, 1645310, 1974372, 2467965, 3290620, 3948744, 4935930, 6581240, 9871860, 19743720]

約数ペア:

[(1, 19743720), (2, 9871860), (3, 6581240), (4, 4935930), (5, 3948744), (6, 3290620), (8, 2467965), (10, 1974372), (12, 1645310), (15, 1316248), (20, 987186), (24, 822655), (30, 658124), (40, 493593), (60, 329062), (120, 164531)]