19771362

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4487

約数の個数: 48

約数和(自身を含む): 48572160

約数和(自身を除く): 28800798

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4447, 8894, 13341, 26682, 40023, 57811, 80046, 84493, 115622, 168986, 173433, 253479, 346866, 506958, 520299, 760437, 1040598, 1098409, 1520874, 2196818, 3295227, 6590454, 9885681, 19771362]

約数ペア:

[(1, 19771362), (2, 9885681), (3, 6590454), (6, 3295227), (9, 2196818), (13, 1520874), (18, 1098409), (19, 1040598), (26, 760437), (38, 520299), (39, 506958), (57, 346866), (78, 253479), (114, 173433), (117, 168986), (171, 115622), (234, 84493), (247, 80046), (342, 57811), (494, 40023), (741, 26682), (1482, 13341), (2223, 8894), (4446, 4447)]