18645464

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 37817280

約数和(自身を除く): 19171816

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 2917, 3196, 5834, 6392, 11668, 23336, 49589, 99178, 137099, 198356, 274198, 396712, 548396, 1096792, 2330683, 4661366, 9322732, 18645464]

約数ペア:

[(1, 18645464), (2, 9322732), (4, 4661366), (8, 2330683), (17, 1096792), (34, 548396), (47, 396712), (68, 274198), (94, 198356), (136, 137099), (188, 99178), (376, 49589), (799, 23336), (1598, 11668), (2917, 6392), (3196, 5834)]