20180859985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1227173}}^1$

素因数の和:1227225

約数の個数: 32

約数和(自身を含む): 29687793408

約数和(自身を除く): 9506933423

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 16445, 1227173, 6135865, 13498903, 15953249, 28224979, 67494515, 79766245, 141124895, 175485739, 310474769, 366924727, 877428695, 1552373845, 1834623635, 4036171997, 20180859985]

約数ペア:

[(1, 20180859985), (5, 4036171997), (11, 1834623635), (13, 1552373845), (23, 877428695), (55, 366924727), (65, 310474769), (115, 175485739), (143, 141124895), (253, 79766245), (299, 67494515), (715, 28224979), (1265, 15953249), (1495, 13498903), (3289, 6135865), (16445, 1227173)]