19777539

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6991}}^1$

素因数の和:7058

約数の個数: 16

約数和(自身を含む): 28191744

約数和(自身を除く): 8414205

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6991, 20973, 160793, 286631, 482379, 859893, 6592513, 19777539]

約数ペア:

[(1, 19777539), (3, 6592513), (23, 859893), (41, 482379), (69, 286631), (123, 160793), (943, 20973), (2829, 6991)]