17945823

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 11568417

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1097, 2337, 3291, 5453, 7679, 16359, 20843, 23037, 44977, 62529, 134931, 145901, 314839, 437703, 854563, 944517, 2563689, 5981941, 17945823]

約数ペア:

[(1, 17945823), (3, 5981941), (7, 2563689), (19, 944517), (21, 854563), (41, 437703), (57, 314839), (123, 145901), (133, 134931), (287, 62529), (399, 44977), (779, 23037), (861, 20843), (1097, 16359), (2337, 7679), (3291, 5453)]