19717866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{156491}}^1$

素因数の和:156506

約数の個数: 24

約数和(自身を含む): 48825504

約数和(自身を除く): 29107638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 156491, 312982, 469473, 938946, 1095437, 1408419, 2190874, 2816838, 3286311, 6572622, 9858933, 19717866]

約数ペア:

[(1, 19717866), (2, 9858933), (3, 6572622), (6, 3286311), (7, 2816838), (9, 2190874), (14, 1408419), (18, 1095437), (21, 938946), (42, 469473), (63, 312982), (126, 156491)]