18422768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12653}}^1$

素因数の和:12681

約数の個数: 40

約数和(自身を含む): 43934688

約数和(自身を除く): 25511920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12653, 25306, 50612, 88571, 101224, 164489, 177142, 202448, 328978, 354284, 657956, 708568, 1151423, 1315912, 1417136, 2302846, 2631824, 4605692, 9211384, 18422768]

約数ペア:

[(1, 18422768), (2, 9211384), (4, 4605692), (7, 2631824), (8, 2302846), (13, 1417136), (14, 1315912), (16, 1151423), (26, 708568), (28, 657956), (52, 354284), (56, 328978), (91, 202448), (104, 177142), (112, 164489), (182, 101224), (208, 88571), (364, 50612), (728, 25306), (1456, 12653)]