19766085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 34401024

約数和(自身を除く): 14634939

約数列:

[1, 3, 5, 15, 23, 47, 53, 69, 115, 141, 159, 235, 265, 345, 529, 705, 795, 1081, 1219, 1587, 2491, 2645, 3243, 3657, 5405, 6095, 7473, 7935, 12455, 16215, 18285, 24863, 28037, 37365, 57293, 74589, 84111, 124315, 140185, 171879, 286465, 372945, 420555, 859395, 1317739, 3953217, 6588695, 19766085]

約数ペア:

[(1, 19766085), (3, 6588695), (5, 3953217), (15, 1317739), (23, 859395), (47, 420555), (53, 372945), (69, 286465), (115, 171879), (141, 140185), (159, 124315), (235, 84111), (265, 74589), (345, 57293), (529, 37365), (705, 28037), (795, 24863), (1081, 18285), (1219, 16215), (1587, 12455), (2491, 7935), (2645, 7473), (3243, 6095), (3657, 5405)]