18841001478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3402131}}^1$

素因数の和:3402220

約数の個数: 32

約数和(自身を含む): 41152188672

約数和(自身を除く): 22311187194

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 3402131, 6804262, 10206393, 20412786, 44227703, 88455406, 132683109, 241551301, 265366218, 483102602, 724653903, 1449307806, 3140166913, 6280333826, 9420500739, 18841001478]

約数ペア:

[(1, 18841001478), (2, 9420500739), (3, 6280333826), (6, 3140166913), (13, 1449307806), (26, 724653903), (39, 483102602), (71, 265366218), (78, 241551301), (142, 132683109), (213, 88455406), (426, 44227703), (923, 20412786), (1846, 10206393), (2769, 6804262), (5538, 3402131)]