19805682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253919}}^1$

素因数の和:253937

約数の個数: 16

約数和(自身を含む): 42658560

約数和(自身を除く): 22852878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253919, 507838, 761757, 1523514, 3300947, 6601894, 9902841, 19805682]

約数ペア:

[(1, 19805682), (2, 9902841), (3, 6601894), (6, 3300947), (13, 1523514), (26, 761757), (39, 507838), (78, 253919)]