18642708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 55735680

約数和(自身を除く): 37092972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2551, 3654, 5102, 7308, 7653, 10204, 15306, 17857, 22959, 30612, 35714, 45918, 53571, 71428, 73979, 91836, 107142, 147958, 160713, 214284, 221937, 295916, 321426, 443874, 517853, 642852, 665811, 887748, 1035706, 1331622, 1553559, 2071412, 2663244, 3107118, 4660677, 6214236, 9321354, 18642708]

約数ペア:

[(1, 18642708), (2, 9321354), (3, 6214236), (4, 4660677), (6, 3107118), (7, 2663244), (9, 2071412), (12, 1553559), (14, 1331622), (18, 1035706), (21, 887748), (28, 665811), (29, 642852), (36, 517853), (42, 443874), (58, 321426), (63, 295916), (84, 221937), (87, 214284), (116, 160713), (126, 147958), (174, 107142), (203, 91836), (252, 73979), (261, 71428), (348, 53571), (406, 45918), (522, 35714), (609, 30612), (812, 22959), (1044, 17857), (1218, 15306), (1827, 10204), (2436, 7653), (2551, 7308), (3654, 5102)]