18967179

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 32219136

約数和(自身を除く): 13251957

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 1747, 3619, 5241, 10857, 12229, 19217, 36687, 57651, 82109, 134519, 246327, 403557, 574763, 903199, 1724289, 2709597, 6322393, 18967179]

約数ペア:

[(1, 18967179), (3, 6322393), (7, 2709597), (11, 1724289), (21, 903199), (33, 574763), (47, 403557), (77, 246327), (141, 134519), (231, 82109), (329, 57651), (517, 36687), (987, 19217), (1551, 12229), (1747, 10857), (3619, 5241)]