18345747

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3373}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 29232336

約数和(自身を除く): 10886589

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3373, 5439, 10119, 23611, 70833, 124801, 165277, 374403, 495831, 873607, 2620821, 6115249, 18345747]

約数ペア:

[(1, 18345747), (3, 6115249), (7, 2620821), (21, 873607), (37, 495831), (49, 374403), (111, 165277), (147, 124801), (259, 70833), (777, 23611), (1813, 10119), (3373, 5439)]