39995836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 73881360

約数和(自身を除く): 33885524

約数列:

[1, 2, 4, 19, 38, 76, 641, 821, 1282, 1642, 2564, 3284, 12179, 15599, 24358, 31198, 48716, 62396, 526261, 1052522, 2105044, 9998959, 19997918, 39995836]

約数ペア:

[(1, 39995836), (2, 19997918), (4, 9998959), (19, 2105044), (38, 1052522), (76, 526261), (641, 62396), (821, 48716), (1282, 31198), (1642, 24358), (2564, 15599), (3284, 12179)]