18220740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{303679}}^1$

素因数の和:303691

約数の個数: 24

約数和(自身を含む): 51018240

約数和(自身を除く): 32797500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 303679, 607358, 911037, 1214716, 1518395, 1822074, 3036790, 3644148, 4555185, 6073580, 9110370, 18220740]

約数ペア:

[(1, 18220740), (2, 9110370), (3, 6073580), (4, 4555185), (5, 3644148), (6, 3036790), (10, 1822074), (12, 1518395), (15, 1214716), (20, 911037), (30, 607358), (60, 303679)]