18200119

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 22613040

約数和(自身を除く): 4412921

約数列:

[1, 7, 19, 49, 113, 133, 173, 791, 931, 1211, 2147, 3287, 5537, 8477, 15029, 19549, 23009, 105203, 136843, 161063, 371431, 957901, 2600017, 18200119]

約数ペア:

[(1, 18200119), (7, 2600017), (19, 957901), (49, 371431), (113, 161063), (133, 136843), (173, 105203), (791, 23009), (931, 19549), (1211, 15029), (2147, 8477), (3287, 5537)]