2019555505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 2911334400

約数和(自身を除く): 891778895

約数列:

[1, 5, 11, 19, 29, 55, 95, 103, 145, 209, 319, 515, 551, 647, 1045, 1133, 1595, 1957, 2755, 2987, 3235, 5665, 6061, 7117, 9785, 12293, 14935, 18763, 21527, 30305, 32857, 35585, 56753, 61465, 66641, 93815, 107635, 135223, 164285, 206393, 283765, 333205, 356497, 624283, 676115, 733051, 1031965, 1266179, 1782485, 1932589, 3121415, 3665255, 3921467, 6330895, 9662945, 13927969, 19607335, 21258479, 36719191, 69639845, 106292395, 183595955, 403911101, 2019555505]

約数ペア:

[(1, 2019555505), (5, 403911101), (11, 183595955), (19, 106292395), (29, 69639845), (55, 36719191), (95, 21258479), (103, 19607335), (145, 13927969), (209, 9662945), (319, 6330895), (515, 3921467), (551, 3665255), (647, 3121415), (1045, 1932589), (1133, 1782485), (1595, 1266179), (1957, 1031965), (2755, 733051), (2987, 676115), (3235, 624283), (5665, 356497), (6061, 333205), (7117, 283765), (9785, 206393), (12293, 164285), (14935, 135223), (18763, 107635), (21527, 93815), (30305, 66641), (32857, 61465), (35585, 56753)]