1861938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 4444440

約数和(自身を除く): 2582502

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 109, 117, 146, 218, 219, 234, 327, 438, 654, 657, 949, 981, 1314, 1417, 1898, 1962, 2834, 2847, 4251, 5694, 7957, 8502, 8541, 12753, 15914, 17082, 23871, 25506, 47742, 71613, 103441, 143226, 206882, 310323, 620646, 930969, 1861938]

約数ペア:

[(1, 1861938), (2, 930969), (3, 620646), (6, 310323), (9, 206882), (13, 143226), (18, 103441), (26, 71613), (39, 47742), (73, 25506), (78, 23871), (109, 17082), (117, 15914), (146, 12753), (218, 8541), (219, 8502), (234, 7957), (327, 5694), (438, 4251), (654, 2847), (657, 2834), (949, 1962), (981, 1898), (1314, 1417)]