12921710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 25021440

約数和(自身を除く): 12099730

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1447, 1786, 2894, 4465, 7235, 8930, 14470, 27493, 54986, 68009, 136018, 137465, 274930, 340045, 680090, 1292171, 2584342, 6460855, 12921710]

約数ペア:

[(1, 12921710), (2, 6460855), (5, 2584342), (10, 1292171), (19, 680090), (38, 340045), (47, 274930), (94, 137465), (95, 136018), (190, 68009), (235, 54986), (470, 27493), (893, 14470), (1447, 8930), (1786, 7235), (2894, 4465)]