19879652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5237}}^1$

素因数の和:5327

約数の個数: 24

約数和(自身を含む): 37985976

約数和(自身を除く): 18106324

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5237, 10474, 20948, 68081, 136162, 272324, 382301, 764602, 1529204, 4969913, 9939826, 19879652]

約数ペア:

[(1, 19879652), (2, 9939826), (4, 4969913), (13, 1529204), (26, 764602), (52, 382301), (73, 272324), (146, 136162), (292, 68081), (949, 20948), (1898, 10474), (3796, 5237)]