19940104

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60793}}^1$

素因数の和:60840

約数の個数: 16

約数和(自身を含む): 38300220

約数和(自身を除く): 18360116

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60793, 121586, 243172, 486344, 2492513, 4985026, 9970052, 19940104]

約数ペア:

[(1, 19940104), (2, 9970052), (4, 4985026), (8, 2492513), (41, 486344), (82, 243172), (164, 121586), (328, 60793)]