18257886

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 40

約数和(自身を含む): 41878584

約数和(自身を除く): 23620698

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 2621, 3483, 5242, 6966, 7863, 15726, 23589, 47178, 70767, 112703, 141534, 212301, 225406, 338109, 424602, 676218, 1014327, 2028654, 3042981, 6085962, 9128943, 18257886]

約数ペア:

[(1, 18257886), (2, 9128943), (3, 6085962), (6, 3042981), (9, 2028654), (18, 1014327), (27, 676218), (43, 424602), (54, 338109), (81, 225406), (86, 212301), (129, 141534), (162, 112703), (258, 70767), (387, 47178), (774, 23589), (1161, 15726), (2322, 7863), (2621, 6966), (3483, 5242)]