17797813

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 21934080

約数和(自身を除く): 4136267

約数列:

[1, 11, 19, 31, 41, 67, 209, 341, 451, 589, 737, 779, 1271, 1273, 2077, 2747, 6479, 8569, 13981, 14003, 22847, 24149, 30217, 39463, 52193, 85157, 265639, 434093, 574123, 936727, 1617983, 17797813]

約数ペア:

[(1, 17797813), (11, 1617983), (19, 936727), (31, 574123), (41, 434093), (67, 265639), (209, 85157), (341, 52193), (451, 39463), (589, 30217), (737, 24149), (779, 22847), (1271, 14003), (1273, 13981), (2077, 8569), (2747, 6479)]