19669341

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 7114659

約数列:

[1, 3, 79, 149, 237, 447, 557, 1671, 11771, 35313, 44003, 82993, 132009, 248979, 6556447, 19669341]

約数ペア:

[(1, 19669341), (3, 6556447), (79, 248979), (149, 132009), (237, 82993), (447, 44003), (557, 35313), (1671, 11771)]