18560950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 36091440

約数和(自身を除く): 17530490

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 89, 97, 178, 194, 215, 430, 445, 485, 890, 970, 1075, 2150, 2225, 2425, 3827, 4171, 4450, 4850, 7654, 8342, 8633, 17266, 19135, 20855, 38270, 41710, 43165, 86330, 95675, 104275, 191350, 208550, 215825, 371219, 431650, 742438, 1856095, 3712190, 9280475, 18560950]

約数ペア:

[(1, 18560950), (2, 9280475), (5, 3712190), (10, 1856095), (25, 742438), (43, 431650), (50, 371219), (86, 215825), (89, 208550), (97, 191350), (178, 104275), (194, 95675), (215, 86330), (430, 43165), (445, 41710), (485, 38270), (890, 20855), (970, 19135), (1075, 17266), (2150, 8633), (2225, 8342), (2425, 7654), (3827, 4850), (4171, 4450)]