19186726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5309}}^1$

素因数の和:5463

約数の個数: 16

約数和(自身を含む): 31222800

約数和(自身を除く): 12036074

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5309, 10618, 69017, 138034, 737951, 1475902, 9593363, 19186726]

約数ペア:

[(1, 19186726), (2, 9593363), (13, 1475902), (26, 737951), (139, 138034), (278, 69017), (1807, 10618), (3614, 5309)]