19592755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 30945600

約数和(自身を除く): 11352845

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 149, 221, 289, 455, 595, 745, 1043, 1105, 1445, 1547, 1937, 2023, 2533, 3757, 5215, 7735, 9685, 10115, 12665, 13559, 17731, 18785, 26299, 32929, 43061, 67795, 88655, 131495, 164645, 215305, 230503, 301427, 559793, 1152515, 1507135, 2798965, 3918551, 19592755]

約数ペア:

[(1, 19592755), (5, 3918551), (7, 2798965), (13, 1507135), (17, 1152515), (35, 559793), (65, 301427), (85, 230503), (91, 215305), (119, 164645), (149, 131495), (221, 88655), (289, 67795), (455, 43061), (595, 32929), (745, 26299), (1043, 18785), (1105, 17731), (1445, 13559), (1547, 12665), (1937, 10115), (2023, 9685), (2533, 7735), (3757, 5215)]