19776967

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8747}}^1$

素因数の和:8790

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 5417273

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8747, 61229, 148699, 166193, 1040893, 1163351, 2825281, 19776967]

約数ペア:

[(1, 19776967), (7, 2825281), (17, 1163351), (19, 1040893), (119, 166193), (133, 148699), (323, 61229), (2261, 8747)]