19915896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 66931200

約数和(自身を除く): 47015304

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 829, 858, 924, 1001, 1092, 1144, 1658, 1716, 1848, 2002, 2184, 2487, 3003, 3316, 3432, 4004, 4974, 5803, 6006, 6632, 8008, 9119, 9948, 10777, 11606, 12012, 17409, 18238, 19896, 21554, 23212, 24024, 27357, 32331, 34818, 36476, 43108, 46424, 54714, 63833, 64662, 69636, 72952, 75439, 86216, 109428, 118547, 127666, 129324, 139272, 150878, 191499, 218856, 226317, 237094, 255332, 258648, 301756, 355641, 382998, 452634, 474188, 510664, 603512, 711282, 765996, 829829, 905268, 948376, 1422564, 1531992, 1659658, 1810536, 2489487, 2845128, 3319316, 4978974, 6638632, 9957948, 19915896]

約数ペア:

[(1, 19915896), (2, 9957948), (3, 6638632), (4, 4978974), (6, 3319316), (7, 2845128), (8, 2489487), (11, 1810536), (12, 1659658), (13, 1531992), (14, 1422564), (21, 948376), (22, 905268), (24, 829829), (26, 765996), (28, 711282), (33, 603512), (39, 510664), (42, 474188), (44, 452634), (52, 382998), (56, 355641), (66, 301756), (77, 258648), (78, 255332), (84, 237094), (88, 226317), (91, 218856), (104, 191499), (132, 150878), (143, 139272), (154, 129324), (156, 127666), (168, 118547), (182, 109428), (231, 86216), (264, 75439), (273, 72952), (286, 69636), (308, 64662), (312, 63833), (364, 54714), (429, 46424), (462, 43108), (546, 36476), (572, 34818), (616, 32331), (728, 27357), (829, 24024), (858, 23212), (924, 21554), (1001, 19896), (1092, 18238), (1144, 17409), (1658, 12012), (1716, 11606), (1848, 10777), (2002, 9948), (2184, 9119), (2487, 8008), (3003, 6632), (3316, 6006), (3432, 5803), (4004, 4974)]