18906804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 56851200

約数和(自身を除く): 37944396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 89, 108, 126, 178, 189, 252, 267, 281, 356, 378, 534, 562, 623, 756, 801, 843, 1068, 1124, 1246, 1602, 1686, 1869, 1967, 2403, 2492, 2529, 3204, 3372, 3738, 3934, 4806, 5058, 5607, 5901, 7476, 7587, 7868, 9612, 10116, 11214, 11802, 15174, 16821, 17703, 22428, 23604, 25009, 30348, 33642, 35406, 50018, 53109, 67284, 70812, 75027, 100036, 106218, 150054, 175063, 212436, 225081, 300108, 350126, 450162, 525189, 675243, 700252, 900324, 1050378, 1350486, 1575567, 2100756, 2700972, 3151134, 4726701, 6302268, 9453402, 18906804]

約数ペア:

[(1, 18906804), (2, 9453402), (3, 6302268), (4, 4726701), (6, 3151134), (7, 2700972), (9, 2100756), (12, 1575567), (14, 1350486), (18, 1050378), (21, 900324), (27, 700252), (28, 675243), (36, 525189), (42, 450162), (54, 350126), (63, 300108), (84, 225081), (89, 212436), (108, 175063), (126, 150054), (178, 106218), (189, 100036), (252, 75027), (267, 70812), (281, 67284), (356, 53109), (378, 50018), (534, 35406), (562, 33642), (623, 30348), (756, 25009), (801, 23604), (843, 22428), (1068, 17703), (1124, 16821), (1246, 15174), (1602, 11802), (1686, 11214), (1869, 10116), (1967, 9612), (2403, 7868), (2492, 7587), (2529, 7476), (3204, 5901), (3372, 5607), (3738, 5058), (3934, 4806)]