18571371

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 31019520

約数和(自身を除く): 12448149

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1153, 1239, 2301, 3459, 5369, 8071, 14989, 16107, 24213, 44967, 68027, 104923, 204081, 314769, 476189, 884351, 1428567, 2653053, 6190457, 18571371]

約数ペア:

[(1, 18571371), (3, 6190457), (7, 2653053), (13, 1428567), (21, 884351), (39, 476189), (59, 314769), (91, 204081), (177, 104923), (273, 68027), (413, 44967), (767, 24213), (1153, 16107), (1239, 14989), (2301, 8071), (3459, 5369)]