19961430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665381}}^1$

素因数の和:665391

約数の個数: 16

約数和(自身を含む): 47907504

約数和(自身を除く): 27946074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665381, 1330762, 1996143, 3326905, 3992286, 6653810, 9980715, 19961430]

約数ペア:

[(1, 19961430), (2, 9980715), (3, 6653810), (5, 3992286), (6, 3326905), (10, 1996143), (15, 1330762), (30, 665381)]