19640970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218233}}^1$

素因数の和:218246

約数の個数: 24

約数和(自身を含む): 51066756

約数和(自身を除く): 31425786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218233, 436466, 654699, 1091165, 1309398, 1964097, 2182330, 3273495, 3928194, 6546990, 9820485, 19640970]

約数ペア:

[(1, 19640970), (2, 9820485), (3, 6546990), (5, 3928194), (6, 3273495), (9, 2182330), (10, 1964097), (15, 1309398), (18, 1091165), (30, 654699), (45, 436466), (90, 218233)]