19897644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127549}}^1$

素因数の和:127569

約数の個数: 24

約数和(自身を含む): 49999600

約数和(自身を除く): 30101956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127549, 255098, 382647, 510196, 765294, 1530588, 1658137, 3316274, 4974411, 6632548, 9948822, 19897644]

約数ペア:

[(1, 19897644), (2, 9948822), (3, 6632548), (4, 4974411), (6, 3316274), (12, 1658137), (13, 1530588), (26, 765294), (39, 510196), (52, 382647), (78, 255098), (156, 127549)]