18784803961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1\times {\mathrm{7433}}^1$

素因数の和:8901

約数の個数: 32

約数和(自身を含む): 24458692608

約数和(自身を除く): 5673888647

約数列:

[1, 7, 11, 23, 77, 161, 253, 1427, 1771, 7433, 9989, 15697, 32821, 52031, 81763, 109879, 170959, 229747, 361031, 572341, 1196713, 1880549, 2527217, 10606891, 13163843, 74248237, 116675801, 243958493, 816730607, 1707709451, 2683543423, 18784803961]

約数ペア:

[(1, 18784803961), (7, 2683543423), (11, 1707709451), (23, 816730607), (77, 243958493), (161, 116675801), (253, 74248237), (1427, 13163843), (1771, 10606891), (7433, 2527217), (9989, 1880549), (15697, 1196713), (32821, 572341), (52031, 361031), (81763, 229747), (109879, 170959)]