19315140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24763}}^1$

素因数の和:24788

約数の個数: 48

約数和(自身を含む): 58244928

約数和(自身を除く): 38929788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24763, 49526, 74289, 99052, 123815, 148578, 247630, 297156, 321919, 371445, 495260, 643838, 742890, 965757, 1287676, 1485780, 1609595, 1931514, 3219190, 3863028, 4828785, 6438380, 9657570, 19315140]

約数ペア:

[(1, 19315140), (2, 9657570), (3, 6438380), (4, 4828785), (5, 3863028), (6, 3219190), (10, 1931514), (12, 1609595), (13, 1485780), (15, 1287676), (20, 965757), (26, 742890), (30, 643838), (39, 495260), (52, 371445), (60, 321919), (65, 297156), (78, 247630), (130, 148578), (156, 123815), (195, 99052), (260, 74289), (390, 49526), (780, 24763)]