19890598

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 36945216

約数和(自身を除く): 17054618

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 293, 373, 586, 746, 2051, 2611, 3809, 4102, 4849, 5222, 7618, 9698, 26663, 33943, 53326, 67886, 109289, 218578, 765023, 1420757, 1530046, 2841514, 9945299, 19890598]

約数ペア:

[(1, 19890598), (2, 9945299), (7, 2841514), (13, 1530046), (14, 1420757), (26, 765023), (91, 218578), (182, 109289), (293, 67886), (373, 53326), (586, 33943), (746, 26663), (2051, 9698), (2611, 7618), (3809, 5222), (4102, 4849)]