18970926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 41978736

約数和(自身を除く): 23007810

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 169, 318, 338, 353, 507, 689, 706, 1014, 1059, 1378, 2067, 2118, 4134, 4589, 8957, 9178, 13767, 17914, 18709, 26871, 27534, 37418, 53742, 56127, 59657, 112254, 119314, 178971, 243217, 357942, 486434, 729651, 1459302, 3161821, 6323642, 9485463, 18970926]

約数ペア:

[(1, 18970926), (2, 9485463), (3, 6323642), (6, 3161821), (13, 1459302), (26, 729651), (39, 486434), (53, 357942), (78, 243217), (106, 178971), (159, 119314), (169, 112254), (318, 59657), (338, 56127), (353, 53742), (507, 37418), (689, 27534), (706, 26871), (1014, 18709), (1059, 17914), (1378, 13767), (2067, 9178), (2118, 8957), (4134, 4589)]