19319209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4584

約数の個数: 16

約数和(自身を含む): 24288768

約数和(自身を除く): 4969559

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4517, 31619, 58721, 212299, 411047, 1486093, 2759887, 19319209]

約数ペア:

[(1, 19319209), (7, 2759887), (13, 1486093), (47, 411047), (91, 212299), (329, 58721), (611, 31619), (4277, 4517)]