19516198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5479}}^1$

素因数の和:5631

約数の個数: 16

約数和(自身を含む): 31762080

約数和(自身を除く): 12245882

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5479, 10958, 71227, 142454, 750623, 1501246, 9758099, 19516198]

約数ペア:

[(1, 19516198), (2, 9758099), (13, 1501246), (26, 750623), (137, 142454), (274, 71227), (1781, 10958), (3562, 5479)]