30081978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{87959}}^1$

素因数の和:87986

約数の個数: 24

約数和(自身を含む): 68608800

約数和(自身を除く): 38526822

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 87959, 175918, 263877, 527754, 791631, 1583262, 1671221, 3342442, 5013663, 10027326, 15040989, 30081978]

約数ペア:

[(1, 30081978), (2, 15040989), (3, 10027326), (6, 5013663), (9, 3342442), (18, 1671221), (19, 1583262), (38, 791631), (57, 527754), (114, 263877), (171, 175918), (342, 87959)]