19907896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130973}}^1$

素因数の和:130998

約数の個数: 16

約数和(自身を含む): 39292200

約数和(自身を除く): 19384304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130973, 261946, 523892, 1047784, 2488487, 4976974, 9953948, 19907896]

約数ペア:

[(1, 19907896), (2, 9953948), (4, 4976974), (8, 2488487), (19, 1047784), (38, 523892), (76, 261946), (152, 130973)]