19778564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9277}}^1$

素因数の和:9335

約数の個数: 24

約数和(自身を含む): 38188248

約数和(自身を除く): 18409684

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9277, 18554, 37108, 120601, 241202, 380357, 482404, 760714, 1521428, 4944641, 9889282, 19778564]

約数ペア:

[(1, 19778564), (2, 9889282), (4, 4944641), (13, 1521428), (26, 760714), (41, 482404), (52, 380357), (82, 241202), (164, 120601), (533, 37108), (1066, 18554), (2132, 9277)]