19218930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640631}}^1$

素因数の和:640641

約数の個数: 16

約数和(自身を含む): 46125504

約数和(自身を除く): 26906574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640631, 1281262, 1921893, 3203155, 3843786, 6406310, 9609465, 19218930]

約数ペア:

[(1, 19218930), (2, 9609465), (3, 6406310), (5, 3843786), (6, 3203155), (10, 1921893), (15, 1281262), (30, 640631)]