1686720668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{21157}}^1$

素因数の和:22229

約数の個数: 24

約数和(自身を含む): 3110226000

約数和(自身を除く): 1423505332

約数列:

[1, 2, 4, 19, 38, 76, 1049, 2098, 4196, 19931, 21157, 39862, 42314, 79724, 84628, 401983, 803966, 1607932, 22193693, 44387386, 88774772, 421680167, 843360334, 1686720668]

約数ペア:

[(1, 1686720668), (2, 843360334), (4, 421680167), (19, 88774772), (38, 44387386), (76, 22193693), (1049, 1607932), (2098, 803966), (4196, 401983), (19931, 84628), (21157, 79724), (39862, 42314)]