1821781806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{17443}}^1$

素因数の和:17577

約数の個数: 48

約数和(自身を含む): 3983930496

約数和(自身を除く): 2162148690

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 169, 206, 309, 338, 507, 618, 1014, 1339, 2678, 4017, 8034, 17407, 17443, 34814, 34886, 52221, 52329, 104442, 104658, 226759, 453518, 680277, 1360554, 1796629, 2947867, 3593258, 5389887, 5895734, 8843601, 10779774, 17687202, 23356177, 46712354, 70068531, 140137062, 303630301, 607260602, 910890903, 1821781806]

約数ペア:

[(1, 1821781806), (2, 910890903), (3, 607260602), (6, 303630301), (13, 140137062), (26, 70068531), (39, 46712354), (78, 23356177), (103, 17687202), (169, 10779774), (206, 8843601), (309, 5895734), (338, 5389887), (507, 3593258), (618, 2947867), (1014, 1796629), (1339, 1360554), (2678, 680277), (4017, 453518), (8034, 226759), (17407, 104658), (17443, 104442), (34814, 52329), (34886, 52221)]