19768359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 29804544

約数和(自身を除く): 10036185

約数列:

[1, 3, 13, 31, 39, 83, 93, 197, 249, 403, 591, 1079, 1209, 2561, 2573, 3237, 6107, 7683, 7719, 16351, 18321, 33449, 49053, 79391, 100347, 212563, 238173, 506881, 637689, 1520643, 6589453, 19768359]

約数ペア:

[(1, 19768359), (3, 6589453), (13, 1520643), (31, 637689), (39, 506881), (83, 238173), (93, 212563), (197, 100347), (249, 79391), (403, 49053), (591, 33449), (1079, 18321), (1209, 16351), (2561, 7719), (2573, 7683), (3237, 6107)]