19951216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65629}}^1$

素因数の和:65656

約数の個数: 20

約数和(自身を含む): 40690600

約数和(自身を除く): 20739384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65629, 131258, 262516, 525032, 1050064, 1246951, 2493902, 4987804, 9975608, 19951216]

約数ペア:

[(1, 19951216), (2, 9975608), (4, 4987804), (8, 2493902), (16, 1246951), (19, 1050064), (38, 525032), (76, 262516), (152, 131258), (304, 65629)]