18916140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315269}}^1$

素因数の和:315281

約数の個数: 24

約数和(自身を含む): 52965360

約数和(自身を除く): 34049220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315269, 630538, 945807, 1261076, 1576345, 1891614, 3152690, 3783228, 4729035, 6305380, 9458070, 18916140]

約数ペア:

[(1, 18916140), (2, 9458070), (3, 6305380), (4, 4729035), (5, 3783228), (6, 3152690), (10, 1891614), (12, 1576345), (15, 1261076), (20, 945807), (30, 630538), (60, 315269)]