19992453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4703}}^1$

素因数の和:4828

約数の個数: 16

約数和(自身を含む): 28976640

約数和(自身を除く): 8984187

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4703, 14109, 61139, 183417, 512627, 1537881, 6664151, 19992453]

約数ペア:

[(1, 19992453), (3, 6664151), (13, 1537881), (39, 512627), (109, 183417), (327, 61139), (1417, 14109), (4251, 4703)]