18207695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 6951985

約数列:

[1, 5, 11, 31, 55, 59, 155, 181, 295, 341, 649, 905, 1705, 1829, 1991, 3245, 5611, 9145, 9955, 10679, 20119, 28055, 53395, 61721, 100595, 117469, 308605, 331049, 587345, 1655245, 3641539, 18207695]

約数ペア:

[(1, 18207695), (5, 3641539), (11, 1655245), (31, 587345), (55, 331049), (59, 308605), (155, 117469), (181, 100595), (295, 61721), (341, 53395), (649, 28055), (905, 20119), (1705, 10679), (1829, 9955), (1991, 9145), (3245, 5611)]