19986372

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26437}}^1$

素因数の和:26457

約数の個数: 48

約数和(自身を含む): 59221120

約数和(自身を除く): 39234748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26437, 52874, 79311, 105748, 158622, 185059, 237933, 317244, 370118, 475866, 555177, 713799, 740236, 951732, 1110354, 1427598, 1665531, 2220708, 2855196, 3331062, 4996593, 6662124, 9993186, 19986372]

約数ペア:

[(1, 19986372), (2, 9993186), (3, 6662124), (4, 4996593), (6, 3331062), (7, 2855196), (9, 2220708), (12, 1665531), (14, 1427598), (18, 1110354), (21, 951732), (27, 740236), (28, 713799), (36, 555177), (42, 475866), (54, 370118), (63, 317244), (84, 237933), (108, 185059), (126, 158622), (189, 105748), (252, 79311), (378, 52874), (756, 26437)]