18730045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 4655555

約数列:

[1, 5, 31, 149, 155, 745, 811, 4055, 4619, 23095, 25141, 120839, 125705, 604195, 3746009, 18730045]

約数ペア:

[(1, 18730045), (5, 3746009), (31, 604195), (149, 125705), (155, 120839), (745, 25141), (811, 23095), (4055, 4619)]