19908030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663601}}^1$

素因数の和:663611

約数の個数: 16

約数和(自身を含む): 47779344

約数和(自身を除く): 27871314

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663601, 1327202, 1990803, 3318005, 3981606, 6636010, 9954015, 19908030]

約数ペア:

[(1, 19908030), (2, 9954015), (3, 6636010), (5, 3981606), (6, 3318005), (10, 1990803), (15, 1327202), (30, 663601)]