19803870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{751}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 51734592

約数和(自身を除く): 31930722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 293, 586, 751, 879, 1465, 1502, 1758, 2253, 2637, 2930, 3755, 4395, 4506, 5274, 6759, 7510, 8790, 11265, 13185, 13518, 22530, 26370, 33795, 67590, 220043, 440086, 660129, 1100215, 1320258, 1980387, 2200430, 3300645, 3960774, 6601290, 9901935, 19803870]

約数ペア:

[(1, 19803870), (2, 9901935), (3, 6601290), (5, 3960774), (6, 3300645), (9, 2200430), (10, 1980387), (15, 1320258), (18, 1100215), (30, 660129), (45, 440086), (90, 220043), (293, 67590), (586, 33795), (751, 26370), (879, 22530), (1465, 13518), (1502, 13185), (1758, 11265), (2253, 8790), (2637, 7510), (2930, 6759), (3755, 5274), (4395, 4506)]