19687902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252409}}^1$

素因数の和:252427

約数の個数: 16

約数和(自身を含む): 42404880

約数和(自身を除く): 22716978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252409, 504818, 757227, 1514454, 3281317, 6562634, 9843951, 19687902]

約数ペア:

[(1, 19687902), (2, 9843951), (3, 6562634), (6, 3281317), (13, 1514454), (26, 757227), (39, 504818), (78, 252409)]