18657093

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 31376448

約数和(自身を除く): 12719355

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 751, 1183, 1911, 2253, 3549, 5257, 8281, 9763, 15771, 24843, 29289, 36799, 68341, 110397, 126919, 205023, 380757, 478387, 888433, 1435161, 2665299, 6219031, 18657093]

約数ペア:

[(1, 18657093), (3, 6219031), (7, 2665299), (13, 1435161), (21, 888433), (39, 478387), (49, 380757), (91, 205023), (147, 126919), (169, 110397), (273, 68341), (507, 36799), (637, 29289), (751, 24843), (1183, 15771), (1911, 9763), (2253, 8281), (3549, 5257)]