19815630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660521}}^1$

素因数の和:660531

約数の個数: 16

約数和(自身を含む): 47557584

約数和(自身を除く): 27741954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660521, 1321042, 1981563, 3302605, 3963126, 6605210, 9907815, 19815630]

約数ペア:

[(1, 19815630), (2, 9907815), (3, 6605210), (5, 3963126), (6, 3302605), (10, 1981563), (15, 1321042), (30, 660521)]