18907272

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 54362880

約数和(自身を除く): 35455608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 43, 62, 72, 86, 93, 124, 129, 172, 186, 197, 248, 258, 279, 344, 372, 387, 394, 516, 558, 591, 744, 774, 788, 1032, 1116, 1182, 1333, 1548, 1576, 1773, 2232, 2364, 2666, 3096, 3546, 3999, 4728, 5332, 6107, 7092, 7998, 8471, 10664, 11997, 12214, 14184, 15996, 16942, 18321, 23994, 24428, 25413, 31992, 33884, 36642, 47988, 48856, 50826, 54963, 67768, 73284, 76239, 95976, 101652, 109926, 146568, 152478, 203304, 219852, 262601, 304956, 439704, 525202, 609912, 787803, 1050404, 1575606, 2100808, 2363409, 3151212, 4726818, 6302424, 9453636, 18907272]

約数ペア:

[(1, 18907272), (2, 9453636), (3, 6302424), (4, 4726818), (6, 3151212), (8, 2363409), (9, 2100808), (12, 1575606), (18, 1050404), (24, 787803), (31, 609912), (36, 525202), (43, 439704), (62, 304956), (72, 262601), (86, 219852), (93, 203304), (124, 152478), (129, 146568), (172, 109926), (186, 101652), (197, 95976), (248, 76239), (258, 73284), (279, 67768), (344, 54963), (372, 50826), (387, 48856), (394, 47988), (516, 36642), (558, 33884), (591, 31992), (744, 25413), (774, 24428), (788, 23994), (1032, 18321), (1116, 16942), (1182, 15996), (1333, 14184), (1548, 12214), (1576, 11997), (1773, 10664), (2232, 8471), (2364, 7998), (2666, 7092), (3096, 6107), (3546, 5332), (3999, 4728)]