18884025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4970

約数の個数: 36

約数和(自身を含む): 35820252

約数和(自身を除く): 16936227

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 4937, 14811, 24685, 44433, 74055, 83929, 123425, 222165, 251787, 370275, 419645, 755361, 1110825, 1258935, 2098225, 3776805, 6294675, 18884025]

約数ペア:

[(1, 18884025), (3, 6294675), (5, 3776805), (9, 2098225), (15, 1258935), (17, 1110825), (25, 755361), (45, 419645), (51, 370275), (75, 251787), (85, 222165), (153, 123425), (225, 83929), (255, 74055), (425, 44433), (765, 24685), (1275, 14811), (3825, 4937)]