19957518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158393}}^1$

素因数の和:158408

約数の個数: 24

約数和(自身を含む): 49418928

約数和(自身を除く): 29461410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158393, 316786, 475179, 950358, 1108751, 1425537, 2217502, 2851074, 3326253, 6652506, 9978759, 19957518]

約数ペア:

[(1, 19957518), (2, 9978759), (3, 6652506), (6, 3326253), (7, 2851074), (9, 2217502), (14, 1425537), (18, 1108751), (21, 950358), (42, 475179), (63, 316786), (126, 158393)]