19188389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 21565440

約数和(自身を除く): 2377051

約数列:

[1, 11, 71, 79, 311, 781, 869, 3421, 5609, 22081, 24569, 61699, 242891, 270259, 1744399, 19188389]

約数ペア:

[(1, 19188389), (11, 1744399), (71, 270259), (79, 242891), (311, 61699), (781, 24569), (869, 22081), (3421, 5609)]