19881536397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{461}}^1\times {\mathrm{2423}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 28221177600

約数和(自身を除く): 8339641203

約数列:

[1, 3, 17, 51, 349, 461, 1047, 1383, 2423, 5933, 7269, 7837, 17799, 23511, 41191, 123573, 160889, 482667, 845627, 1117003, 2536881, 2735113, 3351009, 8205339, 14375659, 18989051, 43126977, 56967153, 389834047, 1169502141, 6627178799, 19881536397]

約数ペア:

[(1, 19881536397), (3, 6627178799), (17, 1169502141), (51, 389834047), (349, 56967153), (461, 43126977), (1047, 18989051), (1383, 14375659), (2423, 8205339), (5933, 3351009), (7269, 2735113), (7837, 2536881), (17799, 1117003), (23511, 845627), (41191, 482667), (123573, 160889)]