19507122

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 45957120

約数和(自身を除く): 26449998

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 43, 54, 62, 86, 93, 129, 186, 258, 271, 279, 387, 542, 558, 774, 813, 837, 1161, 1333, 1626, 1674, 2322, 2439, 2666, 3999, 4878, 7317, 7998, 8401, 11653, 11997, 14634, 16802, 23306, 23994, 25203, 34959, 35991, 50406, 69918, 71982, 75609, 104877, 151218, 209754, 226827, 314631, 361243, 453654, 629262, 722486, 1083729, 2167458, 3251187, 6502374, 9753561, 19507122]

約数ペア:

[(1, 19507122), (2, 9753561), (3, 6502374), (6, 3251187), (9, 2167458), (18, 1083729), (27, 722486), (31, 629262), (43, 453654), (54, 361243), (62, 314631), (86, 226827), (93, 209754), (129, 151218), (186, 104877), (258, 75609), (271, 71982), (279, 69918), (387, 50406), (542, 35991), (558, 34959), (774, 25203), (813, 23994), (837, 23306), (1161, 16802), (1333, 14634), (1626, 11997), (1674, 11653), (2322, 8401), (2439, 7998), (2666, 7317), (3999, 4878)]