19839867

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^3$

素因数の和:239

約数の個数: 16

約数和(自身を含む): 28398240

約数和(自身を除く): 8558373

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5329, 15987, 90593, 271779, 389017, 1167051, 6613289, 19839867]

約数ペア:

[(1, 19839867), (3, 6613289), (17, 1167051), (51, 389017), (73, 271779), (219, 90593), (1241, 15987), (3723, 5329)]