18678362260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15310133}}^1$

素因数の和:15310203

約数の個数: 24

約数和(自身を含む): 39867588936

約数和(自身を除く): 21189226676

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15310133, 30620266, 61240532, 76550665, 153101330, 306202660, 933918113, 1867836226, 3735672452, 4669590565, 9339181130, 18678362260]

約数ペア:

[(1, 18678362260), (2, 9339181130), (4, 4669590565), (5, 3735672452), (10, 1867836226), (20, 933918113), (61, 306202660), (122, 153101330), (244, 76550665), (305, 61240532), (610, 30620266), (1220, 15310133)]