18806004

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1523}}^1$

素因数の和:1554

約数の個数: 72

約数和(自身を含む): 55473600

約数和(自身を除く): 36667596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1523, 1764, 2058, 3046, 3087, 4116, 4569, 6092, 6174, 9138, 10661, 12348, 13707, 18276, 21322, 27414, 31983, 42644, 54828, 63966, 74627, 95949, 127932, 149254, 191898, 223881, 298508, 383796, 447762, 522389, 671643, 895524, 1044778, 1343286, 1567167, 2089556, 2686572, 3134334, 4701501, 6268668, 9403002, 18806004]

約数ペア:

[(1, 18806004), (2, 9403002), (3, 6268668), (4, 4701501), (6, 3134334), (7, 2686572), (9, 2089556), (12, 1567167), (14, 1343286), (18, 1044778), (21, 895524), (28, 671643), (36, 522389), (42, 447762), (49, 383796), (63, 298508), (84, 223881), (98, 191898), (126, 149254), (147, 127932), (196, 95949), (252, 74627), (294, 63966), (343, 54828), (441, 42644), (588, 31983), (686, 27414), (882, 21322), (1029, 18276), (1372, 13707), (1523, 12348), (1764, 10661), (2058, 9138), (3046, 6174), (3087, 6092), (4116, 4569)]