18918780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315313}}^1$

素因数の和:315325

約数の個数: 24

約数和(自身を含む): 52972752

約数和(自身を除く): 34053972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315313, 630626, 945939, 1261252, 1576565, 1891878, 3153130, 3783756, 4729695, 6306260, 9459390, 18918780]

約数ペア:

[(1, 18918780), (2, 9459390), (3, 6306260), (4, 4729695), (5, 3783756), (6, 3153130), (10, 1891878), (12, 1576565), (15, 1261252), (20, 945939), (30, 630626), (60, 315313)]