16721442

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 37440312

約数和(自身を除く): 20718870

約数列:

[1, 2, 3, 6, 9, 18, 61, 97, 122, 157, 183, 194, 291, 314, 366, 471, 549, 582, 873, 942, 1098, 1413, 1746, 2826, 5917, 9577, 11834, 15229, 17751, 19154, 28731, 30458, 35502, 45687, 53253, 57462, 86193, 91374, 106506, 137061, 172386, 274122, 928969, 1857938, 2786907, 5573814, 8360721, 16721442]

約数ペア:

[(1, 16721442), (2, 8360721), (3, 5573814), (6, 2786907), (9, 1857938), (18, 928969), (61, 274122), (97, 172386), (122, 137061), (157, 106506), (183, 91374), (194, 86193), (291, 57462), (314, 53253), (366, 45687), (471, 35502), (549, 30458), (582, 28731), (873, 19154), (942, 17751), (1098, 15229), (1413, 11834), (1746, 9577), (2826, 5917)]