19711878

素因数分解:

$2^1\times 3^1\times {\mathrm{727}}^1\times {\mathrm{4519}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 39486720

約数和(自身を除く): 19774842

約数列:

[1, 2, 3, 6, 727, 1454, 2181, 4362, 4519, 9038, 13557, 27114, 3285313, 6570626, 9855939, 19711878]

約数ペア:

[(1, 19711878), (2, 9855939), (3, 6570626), (6, 3285313), (727, 27114), (1454, 13557), (2181, 9038), (4362, 4519)]