19982127

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2251}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 29185920

約数和(自身を除く): 9203793

約数列:

[1, 3, 11, 33, 269, 807, 2251, 2959, 6753, 8877, 24761, 74283, 605519, 1816557, 6660709, 19982127]

約数ペア:

[(1, 19982127), (3, 6660709), (11, 1816557), (33, 605519), (269, 74283), (807, 24761), (2251, 8877), (2959, 6753)]