19215954

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2117

約数の個数: 48

約数和(自身を含む): 45470880

約数和(自身を除く): 26254926

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2081, 3078, 4162, 4617, 6243, 9234, 12486, 18729, 37458, 39539, 56187, 79078, 112374, 118617, 168561, 237234, 337122, 355851, 505683, 711702, 1011366, 1067553, 2135106, 3202659, 6405318, 9607977, 19215954]

約数ペア:

[(1, 19215954), (2, 9607977), (3, 6405318), (6, 3202659), (9, 2135106), (18, 1067553), (19, 1011366), (27, 711702), (38, 505683), (54, 355851), (57, 337122), (81, 237234), (114, 168561), (162, 118617), (171, 112374), (243, 79078), (342, 56187), (486, 39539), (513, 37458), (1026, 18729), (1539, 12486), (2081, 9234), (3078, 6243), (4162, 4617)]