19815042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{254039}}^1$

素因数の和:254057

約数の個数: 16

約数和(自身を含む): 42678720

約数和(自身を除く): 22863678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 254039, 508078, 762117, 1524234, 3302507, 6605014, 9907521, 19815042]

約数ペア:

[(1, 19815042), (2, 9907521), (3, 6605014), (6, 3302507), (13, 1524234), (26, 762117), (39, 508078), (78, 254039)]