19980459870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{95145047}}^1$

素因数の和:95145064

約数の個数: 32

約数和(自身を含む): 54803547648

約数和(自身を除く): 34823087778

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 95145047, 190290094, 285435141, 475725235, 570870282, 666015329, 951450470, 1332030658, 1427175705, 1998045987, 2854351410, 3330076645, 3996091974, 6660153290, 9990229935, 19980459870]

約数ペア:

[(1, 19980459870), (2, 9990229935), (3, 6660153290), (5, 3996091974), (6, 3330076645), (7, 2854351410), (10, 1998045987), (14, 1427175705), (15, 1332030658), (21, 951450470), (30, 666015329), (35, 570870282), (42, 475725235), (70, 285435141), (105, 190290094), (210, 95145047)]