19835784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8887}}^1$

素因数の和:8930

約数の個数: 48

約数和(自身を含む): 55461120

約数和(自身を除く): 35625336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8887, 17774, 26661, 35548, 53322, 71096, 79983, 106644, 159966, 213288, 275497, 319932, 550994, 639864, 826491, 1101988, 1652982, 2203976, 2479473, 3305964, 4958946, 6611928, 9917892, 19835784]

約数ペア:

[(1, 19835784), (2, 9917892), (3, 6611928), (4, 4958946), (6, 3305964), (8, 2479473), (9, 2203976), (12, 1652982), (18, 1101988), (24, 826491), (31, 639864), (36, 550994), (62, 319932), (72, 275497), (93, 213288), (124, 159966), (186, 106644), (248, 79983), (279, 71096), (372, 53322), (558, 35548), (744, 26661), (1116, 17774), (2232, 8887)]