18925494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 26071626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 83, 89, 122, 166, 178, 183, 249, 267, 366, 427, 498, 534, 581, 623, 854, 1162, 1246, 1281, 1743, 1869, 2562, 3486, 3738, 5063, 5429, 7387, 10126, 10858, 14774, 15189, 16287, 22161, 30378, 32574, 35441, 38003, 44322, 51709, 70882, 76006, 103418, 106323, 114009, 155127, 212646, 228018, 310254, 450607, 901214, 1351821, 2703642, 3154249, 6308498, 9462747, 18925494]

約数ペア:

[(1, 18925494), (2, 9462747), (3, 6308498), (6, 3154249), (7, 2703642), (14, 1351821), (21, 901214), (42, 450607), (61, 310254), (83, 228018), (89, 212646), (122, 155127), (166, 114009), (178, 106323), (183, 103418), (249, 76006), (267, 70882), (366, 51709), (427, 44322), (498, 38003), (534, 35441), (581, 32574), (623, 30378), (854, 22161), (1162, 16287), (1246, 15189), (1281, 14774), (1743, 10858), (1869, 10126), (2562, 7387), (3486, 5429), (3738, 5063)]