1640471438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{60889}}^1$

素因数の和:61619

約数の個数: 16

約数和(自身を含む): 2593914000

約数和(自身を除く): 953442562

約数列:

[1, 2, 19, 38, 709, 1418, 13471, 26942, 60889, 121778, 1156891, 2313782, 43170301, 86340602, 820235719, 1640471438]

約数ペア:

[(1, 1640471438), (2, 820235719), (19, 86340602), (38, 43170301), (709, 2313782), (1418, 1156891), (13471, 121778), (26942, 60889)]