15986196

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 43243200

約数和(自身を除く): 27257004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 449, 516, 774, 828, 898, 989, 1347, 1548, 1796, 1978, 2694, 2967, 3956, 4041, 5388, 5934, 8082, 8901, 10327, 11868, 16164, 17802, 19307, 20654, 30981, 35604, 38614, 41308, 57921, 61962, 77228, 92943, 115842, 123924, 173763, 185886, 231684, 347526, 371772, 444061, 695052, 888122, 1332183, 1776244, 2664366, 3996549, 5328732, 7993098, 15986196]

約数ペア:

[(1, 15986196), (2, 7993098), (3, 5328732), (4, 3996549), (6, 2664366), (9, 1776244), (12, 1332183), (18, 888122), (23, 695052), (36, 444061), (43, 371772), (46, 347526), (69, 231684), (86, 185886), (92, 173763), (129, 123924), (138, 115842), (172, 92943), (207, 77228), (258, 61962), (276, 57921), (387, 41308), (414, 38614), (449, 35604), (516, 30981), (774, 20654), (828, 19307), (898, 17802), (989, 16164), (1347, 11868), (1548, 10327), (1796, 8901), (1978, 8082), (2694, 5934), (2967, 5388), (3956, 4041)]