18861946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12242054

約数列:

[1, 2, 19, 38, 47, 59, 94, 118, 179, 358, 893, 1121, 1786, 2242, 2773, 3401, 5546, 6802, 8413, 10561, 16826, 21122, 52687, 105374, 159847, 200659, 319694, 401318, 496367, 992734, 9430973, 18861946]

約数ペア:

[(1, 18861946), (2, 9430973), (19, 992734), (38, 496367), (47, 401318), (59, 319694), (94, 200659), (118, 159847), (179, 105374), (358, 52687), (893, 21122), (1121, 16826), (1786, 10561), (2242, 8413), (2773, 6802), (3401, 5546)]