18198170

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 33678288

約数和(自身を除く): 15480118

約数列:

[1, 2, 5, 10, 73, 97, 146, 194, 257, 365, 485, 514, 730, 970, 1285, 2570, 7081, 14162, 18761, 24929, 35405, 37522, 49858, 70810, 93805, 124645, 187610, 249290, 1819817, 3639634, 9099085, 18198170]

約数ペア:

[(1, 18198170), (2, 9099085), (5, 3639634), (10, 1819817), (73, 249290), (97, 187610), (146, 124645), (194, 93805), (257, 70810), (365, 49858), (485, 37522), (514, 35405), (730, 24929), (970, 18761), (1285, 14162), (2570, 7081)]