18996978686

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{230339}}^1$

素因数の和:230528

約数の個数: 32

約数和(自身を含む): 33566987520

約数和(自身を除く): 14570008834

約数列:

[1, 2, 7, 14, 43, 86, 137, 274, 301, 602, 959, 1918, 5891, 11782, 41237, 82474, 230339, 460678, 1612373, 3224746, 9904577, 19809154, 31556443, 63112886, 69332039, 138664078, 220895101, 441790202, 1356927049, 2713854098, 9498489343, 18996978686]

約数ペア:

[(1, 18996978686), (2, 9498489343), (7, 2713854098), (14, 1356927049), (43, 441790202), (86, 220895101), (137, 138664078), (274, 69332039), (301, 63112886), (602, 31556443), (959, 19809154), (1918, 9904577), (5891, 3224746), (11782, 1612373), (41237, 460678), (82474, 230339)]