19815057

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 10718703

約数列:

[1, 3, 9, 27, 53, 61, 159, 183, 227, 477, 549, 681, 1431, 1647, 2043, 3233, 6129, 9699, 12031, 13847, 29097, 36093, 41541, 87291, 108279, 124623, 324837, 373869, 733891, 2201673, 6605019, 19815057]

約数ペア:

[(1, 19815057), (3, 6605019), (9, 2201673), (27, 733891), (53, 373869), (61, 324837), (159, 124623), (183, 108279), (227, 87291), (477, 41541), (549, 36093), (681, 29097), (1431, 13847), (1647, 12031), (2043, 9699), (3233, 6129)]