19905444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42533}}^1$

素因数の和:42556

約数の個数: 36

約数和(自身を含む): 54188316

約数和(自身を除く): 34282872

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42533, 85066, 127599, 170132, 255198, 382797, 510396, 552929, 765594, 1105858, 1531188, 1658787, 2211716, 3317574, 4976361, 6635148, 9952722, 19905444]

約数ペア:

[(1, 19905444), (2, 9952722), (3, 6635148), (4, 4976361), (6, 3317574), (9, 2211716), (12, 1658787), (13, 1531188), (18, 1105858), (26, 765594), (36, 552929), (39, 510396), (52, 382797), (78, 255198), (117, 170132), (156, 127599), (234, 85066), (468, 42533)]