18921756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 32123364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2531, 3738, 5062, 7476, 7593, 10124, 15186, 17717, 30372, 35434, 53151, 70868, 106302, 212604, 225259, 450518, 675777, 901036, 1351554, 1576813, 2703108, 3153626, 4730439, 6307252, 9460878, 18921756]

約数ペア:

[(1, 18921756), (2, 9460878), (3, 6307252), (4, 4730439), (6, 3153626), (7, 2703108), (12, 1576813), (14, 1351554), (21, 901036), (28, 675777), (42, 450518), (84, 225259), (89, 212604), (178, 106302), (267, 70868), (356, 53151), (534, 35434), (623, 30372), (1068, 17717), (1246, 15186), (1869, 10124), (2492, 7593), (2531, 7476), (3738, 5062)]