18406635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 32729184

約数和(自身を除く): 14322549

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 137, 159, 169, 195, 265, 411, 507, 685, 689, 795, 845, 1781, 2055, 2067, 2535, 3445, 5343, 7261, 8905, 8957, 10335, 21783, 23153, 26715, 26871, 36305, 44785, 69459, 94393, 108915, 115765, 134355, 283179, 347295, 471965, 1227109, 1415895, 3681327, 6135545, 18406635]

約数ペア:

[(1, 18406635), (3, 6135545), (5, 3681327), (13, 1415895), (15, 1227109), (39, 471965), (53, 347295), (65, 283179), (137, 134355), (159, 115765), (169, 108915), (195, 94393), (265, 69459), (411, 44785), (507, 36305), (685, 26871), (689, 26715), (795, 23153), (845, 21783), (1781, 10335), (2055, 8957), (2067, 8905), (2535, 7261), (3445, 5343)]