18786110

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5477}}^1$

素因数の和:5505

約数の個数: 32

約数和(自身を含む): 39441600

約数和(自身を除く): 20655490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5477, 10954, 27385, 38339, 54770, 76678, 191695, 268373, 383390, 536746, 1341865, 1878611, 2683730, 3757222, 9393055, 18786110]

約数ペア:

[(1, 18786110), (2, 9393055), (5, 3757222), (7, 2683730), (10, 1878611), (14, 1341865), (35, 536746), (49, 383390), (70, 268373), (98, 191695), (245, 76678), (343, 54770), (490, 38339), (686, 27385), (1715, 10954), (3430, 5477)]