19156618327

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3041}}^1\times {\mathrm{3557}}^1$

素因数の和:6639

約数の個数: 32

約数和(自身を含む): 24937196544

約数和(自身を除く): 5780578217

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 3041, 3557, 21287, 24899, 33451, 39127, 69943, 81811, 234157, 273889, 489601, 572677, 769373, 899921, 5385611, 6299447, 10816837, 75717859, 118985207, 248787251, 832896449, 1741510757, 2736659761, 19156618327]

約数ペア:

[(1, 19156618327), (7, 2736659761), (11, 1741510757), (23, 832896449), (77, 248787251), (161, 118985207), (253, 75717859), (1771, 10816837), (3041, 6299447), (3557, 5385611), (21287, 899921), (24899, 769373), (33451, 572677), (39127, 489601), (69943, 273889), (81811, 234157)]