18020595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4157}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 30636144

約数和(自身を除く): 12615549

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4157, 4335, 12471, 20785, 62355, 70669, 212007, 353345, 1060035, 1201373, 3604119, 6006865, 18020595]

約数ペア:

[(1, 18020595), (3, 6006865), (5, 3604119), (15, 1201373), (17, 1060035), (51, 353345), (85, 212007), (255, 70669), (289, 62355), (867, 20785), (1445, 12471), (4157, 4335)]