18910358

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 32127840

約数和(自身を除く): 13217482

約数列:

[1, 2, 17, 19, 34, 38, 73, 146, 323, 401, 646, 802, 1241, 1387, 2482, 2774, 6817, 7619, 13634, 15238, 23579, 29273, 47158, 58546, 129523, 259046, 497641, 556187, 995282, 1112374, 9455179, 18910358]

約数ペア:

[(1, 18910358), (2, 9455179), (17, 1112374), (19, 995282), (34, 556187), (38, 497641), (73, 259046), (146, 129523), (323, 58546), (401, 47158), (646, 29273), (802, 23579), (1241, 15238), (1387, 13634), (2482, 7619), (2774, 6817)]