19405137

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5581}}^1$

素因数の和:5664

約数の個数: 16

約数和(自身を含む): 27686720

約数和(自身を除く): 8281583

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5581, 16743, 106039, 318117, 340441, 1021323, 6468379, 19405137]

約数ペア:

[(1, 19405137), (3, 6468379), (19, 1021323), (57, 340441), (61, 318117), (183, 106039), (1159, 16743), (3477, 5581)]