19560415105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{81551}}^1$

素因数の和:81670

約数の個数: 48

約数和(自身を含む): 30122046720

約数和(自身を除く): 10561631615

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 89, 245, 385, 445, 539, 623, 979, 2695, 3115, 4361, 4895, 6853, 21805, 34265, 47971, 81551, 239855, 407755, 570857, 897061, 2854285, 3995999, 4485305, 6279427, 7258039, 19979995, 31397135, 36290195, 43955989, 50806273, 79838429, 219779945, 254031365, 355643911, 399192145, 558869003, 1778219555, 2794345015, 3912083021, 19560415105]

約数ペア:

[(1, 19560415105), (5, 3912083021), (7, 2794345015), (11, 1778219555), (35, 558869003), (49, 399192145), (55, 355643911), (77, 254031365), (89, 219779945), (245, 79838429), (385, 50806273), (445, 43955989), (539, 36290195), (623, 31397135), (979, 19979995), (2695, 7258039), (3115, 6279427), (4361, 4485305), (4895, 3995999), (6853, 2854285), (21805, 897061), (34265, 570857), (47971, 407755), (81551, 239855)]