19961913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5227}}^1$

素因数の和:5316

約数の個数: 16

約数和(自身を含む): 28440320

約数和(自身を除く): 8478407

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5227, 15681, 99313, 297939, 350209, 1050627, 6653971, 19961913]

約数ペア:

[(1, 19961913), (3, 6653971), (19, 1050627), (57, 350209), (67, 297939), (201, 99313), (1273, 15681), (3819, 5227)]