19262201

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 23132928

約数和(自身を除く): 3870727

約数列:

[1, 7, 23, 161, 181, 661, 1267, 4163, 4627, 15203, 29141, 106421, 119641, 837487, 2751743, 19262201]

約数ペア:

[(1, 19262201), (7, 2751743), (23, 837487), (161, 119641), (181, 106421), (661, 29141), (1267, 15203), (4163, 4627)]