18901194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3413}}^1$

素因数の和:3502

約数の個数: 32

約数和(自身を含む): 41295744

約数和(自身を除く): 22394550

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3413, 5538, 6826, 10239, 20478, 44369, 88738, 133107, 242323, 266214, 484646, 726969, 1453938, 3150199, 6300398, 9450597, 18901194]

約数ペア:

[(1, 18901194), (2, 9450597), (3, 6300398), (6, 3150199), (13, 1453938), (26, 726969), (39, 484646), (71, 266214), (78, 242323), (142, 133107), (213, 88738), (426, 44369), (923, 20478), (1846, 10239), (2769, 6826), (3413, 5538)]