19589830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4912

約数の個数: 32

約数和(自身を含む): 39207168

約数和(自身を除く): 19617338

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4861, 9722, 24305, 48610, 63193, 126386, 150691, 301382, 315965, 631930, 753455, 1506910, 1958983, 3917966, 9794915, 19589830]

約数ペア:

[(1, 19589830), (2, 9794915), (5, 3917966), (10, 1958983), (13, 1506910), (26, 753455), (31, 631930), (62, 315965), (65, 301382), (130, 150691), (155, 126386), (310, 63193), (403, 48610), (806, 24305), (2015, 9722), (4030, 4861)]