11911978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1063}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 19305216

約数和(自身を除く): 7393238

約数列:

[1, 2, 13, 26, 431, 862, 1063, 2126, 5603, 11206, 13819, 27638, 458153, 916306, 5955989, 11911978]

約数ペア:

[(1, 11911978), (2, 5955989), (13, 916306), (26, 458153), (431, 27638), (862, 13819), (1063, 11206), (2126, 5603)]