1918399

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 20

約数和(自身を含む): 2420064

約数和(自身を除く): 501665

約数列:

[1, 7, 17, 47, 49, 119, 329, 343, 799, 833, 2303, 2401, 5593, 5831, 16121, 39151, 40817, 112847, 274057, 1918399]

約数ペア:

[(1, 1918399), (7, 274057), (17, 112847), (47, 40817), (49, 39151), (119, 16121), (329, 5831), (343, 5593), (799, 2401), (833, 2303)]