18171972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 59364480

約数和(自身を除く): 41192508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 43, 52, 54, 63, 78, 84, 86, 91, 108, 117, 126, 129, 156, 172, 182, 189, 234, 252, 258, 273, 301, 351, 364, 378, 387, 468, 516, 546, 559, 602, 702, 756, 774, 819, 903, 1092, 1118, 1161, 1204, 1404, 1548, 1638, 1677, 1806, 1849, 2236, 2322, 2457, 2709, 3276, 3354, 3612, 3698, 3913, 4644, 4914, 5031, 5418, 5547, 6708, 7396, 7826, 8127, 9828, 10062, 10836, 11094, 11739, 12943, 15093, 15652, 16254, 16641, 20124, 22188, 23478, 24037, 25886, 30186, 32508, 33282, 35217, 38829, 46956, 48074, 49923, 51772, 60372, 66564, 70434, 72111, 77658, 96148, 99846, 105651, 116487, 140868, 144222, 155316, 168259, 199692, 211302, 216333, 232974, 288444, 336518, 349461, 422604, 432666, 465948, 504777, 648999, 673036, 698922, 865332, 1009554, 1297998, 1397844, 1514331, 2019108, 2595996, 3028662, 4542993, 6057324, 9085986, 18171972]

約数ペア:

[(1, 18171972), (2, 9085986), (3, 6057324), (4, 4542993), (6, 3028662), (7, 2595996), (9, 2019108), (12, 1514331), (13, 1397844), (14, 1297998), (18, 1009554), (21, 865332), (26, 698922), (27, 673036), (28, 648999), (36, 504777), (39, 465948), (42, 432666), (43, 422604), (52, 349461), (54, 336518), (63, 288444), (78, 232974), (84, 216333), (86, 211302), (91, 199692), (108, 168259), (117, 155316), (126, 144222), (129, 140868), (156, 116487), (172, 105651), (182, 99846), (189, 96148), (234, 77658), (252, 72111), (258, 70434), (273, 66564), (301, 60372), (351, 51772), (364, 49923), (378, 48074), (387, 46956), (468, 38829), (516, 35217), (546, 33282), (559, 32508), (602, 30186), (702, 25886), (756, 24037), (774, 23478), (819, 22188), (903, 20124), (1092, 16641), (1118, 16254), (1161, 15652), (1204, 15093), (1404, 12943), (1548, 11739), (1638, 11094), (1677, 10836), (1806, 10062), (1849, 9828), (2236, 8127), (2322, 7826), (2457, 7396), (2709, 6708), (3276, 5547), (3354, 5418), (3612, 5031), (3698, 4914), (3913, 4644)]