18512312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25033288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 431, 472, 728, 767, 826, 862, 1534, 1652, 1724, 3017, 3068, 3304, 3448, 5369, 5603, 6034, 6136, 10738, 11206, 12068, 21476, 22412, 24136, 25429, 39221, 42952, 44824, 50858, 78442, 101716, 156884, 178003, 203432, 313768, 330577, 356006, 661154, 712012, 1322308, 1424024, 2314039, 2644616, 4628078, 9256156, 18512312]

約数ペア:

[(1, 18512312), (2, 9256156), (4, 4628078), (7, 2644616), (8, 2314039), (13, 1424024), (14, 1322308), (26, 712012), (28, 661154), (52, 356006), (56, 330577), (59, 313768), (91, 203432), (104, 178003), (118, 156884), (182, 101716), (236, 78442), (364, 50858), (413, 44824), (431, 42952), (472, 39221), (728, 25429), (767, 24136), (826, 22412), (862, 21476), (1534, 12068), (1652, 11206), (1724, 10738), (3017, 6136), (3068, 6034), (3304, 5603), (3448, 5369)]