13921990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 12080954

約数列:

[1, 2, 5, 10, 37, 74, 185, 191, 197, 370, 382, 394, 955, 985, 1910, 1970, 7067, 7289, 14134, 14578, 35335, 36445, 37627, 70670, 72890, 75254, 188135, 376270, 1392199, 2784398, 6960995, 13921990]

約数ペア:

[(1, 13921990), (2, 6960995), (5, 2784398), (10, 1392199), (37, 376270), (74, 188135), (185, 75254), (191, 72890), (197, 70670), (370, 37627), (382, 36445), (394, 35335), (955, 14578), (985, 14134), (1910, 7289), (1970, 7067)]