18438315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4283}}^1$

素因数の和:4339

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 16107861

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4283, 4305, 12849, 21415, 29981, 64245, 89943, 149905, 175603, 449715, 526809, 878015, 1229221, 2634045, 3687663, 6146105, 18438315]

約数ペア:

[(1, 18438315), (3, 6146105), (5, 3687663), (7, 2634045), (15, 1229221), (21, 878015), (35, 526809), (41, 449715), (105, 175603), (123, 149905), (205, 89943), (287, 64245), (615, 29981), (861, 21415), (1435, 12849), (4283, 4305)]