19429505

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 4416895

約数列:

[1, 5, 71, 229, 239, 355, 1145, 1195, 16259, 16969, 54731, 81295, 84845, 273655, 3885901, 19429505]

約数ペア:

[(1, 19429505), (5, 3885901), (71, 273655), (229, 84845), (239, 81295), (355, 54731), (1145, 16969), (1195, 16259)]