19551838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 29964384

約数和(自身を除く): 10412546

約数列:

[1, 2, 71, 142, 157, 314, 877, 1754, 11147, 22294, 62267, 124534, 137689, 275378, 9775919, 19551838]

約数ペア:

[(1, 19551838), (2, 9775919), (71, 275378), (142, 137689), (157, 124534), (314, 62267), (877, 22294), (1754, 11147)]