19994550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7841}}^1$

素因数の和:7873

約数の個数: 48

約数和(自身を含む): 52510032

約数和(自身を除く): 32515482

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 7841, 15682, 23523, 39205, 47046, 78410, 117615, 133297, 196025, 235230, 266594, 392050, 399891, 588075, 666485, 799782, 1176150, 1332970, 1999455, 3332425, 3998910, 6664850, 9997275, 19994550]

約数ペア:

[(1, 19994550), (2, 9997275), (3, 6664850), (5, 3998910), (6, 3332425), (10, 1999455), (15, 1332970), (17, 1176150), (25, 799782), (30, 666485), (34, 588075), (50, 399891), (51, 392050), (75, 266594), (85, 235230), (102, 196025), (150, 133297), (170, 117615), (255, 78410), (425, 47046), (510, 39205), (850, 23523), (1275, 15682), (2550, 7841)]