18518472

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 60687900

約数和(自身を除く): 42169428

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 49, 56, 58, 63, 72, 84, 87, 98, 116, 126, 147, 168, 174, 181, 196, 203, 232, 252, 261, 294, 348, 362, 392, 406, 441, 504, 522, 543, 588, 609, 696, 724, 812, 882, 1044, 1086, 1176, 1218, 1267, 1421, 1448, 1624, 1629, 1764, 1827, 2088, 2172, 2436, 2534, 2842, 3258, 3528, 3654, 3801, 4263, 4344, 4872, 5068, 5249, 5684, 6516, 7308, 7602, 8526, 8869, 10136, 10498, 11368, 11403, 12789, 13032, 14616, 15204, 15747, 17052, 17738, 20996, 22806, 25578, 26607, 30408, 31494, 34104, 35476, 36743, 41992, 45612, 47241, 51156, 53214, 62988, 70952, 73486, 79821, 91224, 94482, 102312, 106428, 110229, 125976, 146972, 159642, 188964, 212856, 220458, 257201, 293944, 319284, 330687, 377928, 440916, 514402, 638568, 661374, 771603, 881832, 1028804, 1322748, 1543206, 2057608, 2314809, 2645496, 3086412, 4629618, 6172824, 9259236, 18518472]

約数ペア:

[(1, 18518472), (2, 9259236), (3, 6172824), (4, 4629618), (6, 3086412), (7, 2645496), (8, 2314809), (9, 2057608), (12, 1543206), (14, 1322748), (18, 1028804), (21, 881832), (24, 771603), (28, 661374), (29, 638568), (36, 514402), (42, 440916), (49, 377928), (56, 330687), (58, 319284), (63, 293944), (72, 257201), (84, 220458), (87, 212856), (98, 188964), (116, 159642), (126, 146972), (147, 125976), (168, 110229), (174, 106428), (181, 102312), (196, 94482), (203, 91224), (232, 79821), (252, 73486), (261, 70952), (294, 62988), (348, 53214), (362, 51156), (392, 47241), (406, 45612), (441, 41992), (504, 36743), (522, 35476), (543, 34104), (588, 31494), (609, 30408), (696, 26607), (724, 25578), (812, 22806), (882, 20996), (1044, 17738), (1086, 17052), (1176, 15747), (1218, 15204), (1267, 14616), (1421, 13032), (1448, 12789), (1624, 11403), (1629, 11368), (1764, 10498), (1827, 10136), (2088, 8869), (2172, 8526), (2436, 7602), (2534, 7308), (2842, 6516), (3258, 5684), (3528, 5249), (3654, 5068), (3801, 4872), (4263, 4344)]