12781908

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{6229}}^1$

素因数の和:6261

約数の個数: 48

約数和(自身を含む): 34888000

約数和(自身を除く): 22106092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 6229, 12458, 18687, 24916, 37374, 56061, 74748, 112122, 118351, 168183, 224244, 236702, 336366, 355053, 473404, 672732, 710106, 1065159, 1420212, 2130318, 3195477, 4260636, 6390954, 12781908]

約数ペア:

[(1, 12781908), (2, 6390954), (3, 4260636), (4, 3195477), (6, 2130318), (9, 1420212), (12, 1065159), (18, 710106), (19, 672732), (27, 473404), (36, 355053), (38, 336366), (54, 236702), (57, 224244), (76, 168183), (108, 118351), (114, 112122), (171, 74748), (228, 56061), (342, 37374), (513, 24916), (684, 18687), (1026, 12458), (2052, 6229)]