18054320

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1777}}^1$

素因数の和:1917

約数の個数: 40

約数和(自身を含む): 42330624

約数和(自身を除く): 24276304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1777, 2032, 2540, 3554, 5080, 7108, 8885, 10160, 14216, 17770, 28432, 35540, 71080, 142160, 225679, 451358, 902716, 1128395, 1805432, 2256790, 3610864, 4513580, 9027160, 18054320]

約数ペア:

[(1, 18054320), (2, 9027160), (4, 4513580), (5, 3610864), (8, 2256790), (10, 1805432), (16, 1128395), (20, 902716), (40, 451358), (80, 225679), (127, 142160), (254, 71080), (508, 35540), (635, 28432), (1016, 17770), (1270, 14216), (1777, 10160), (2032, 8885), (2540, 7108), (3554, 5080)]