12891636

素因数分解:

$2^2\times 3^6\times {\mathrm{4421}}^1$

素因数の和:4443

約数の個数: 42

約数和(自身を含む): 33832722

約数和(自身を除く): 20941086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 4421, 8842, 13263, 17684, 26526, 39789, 53052, 79578, 119367, 159156, 238734, 358101, 477468, 716202, 1074303, 1432404, 2148606, 3222909, 4297212, 6445818, 12891636]

約数ペア:

[(1, 12891636), (2, 6445818), (3, 4297212), (4, 3222909), (6, 2148606), (9, 1432404), (12, 1074303), (18, 716202), (27, 477468), (36, 358101), (54, 238734), (81, 159156), (108, 119367), (162, 79578), (243, 53052), (324, 39789), (486, 26526), (729, 17684), (972, 13263), (1458, 8842), (2916, 4421)]