19778512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95089}}^1$

素因数の和:95110

約数の個数: 20

約数和(自身を含む): 41269060

約数和(自身を除く): 21490548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95089, 190178, 380356, 760712, 1236157, 1521424, 2472314, 4944628, 9889256, 19778512]

約数ペア:

[(1, 19778512), (2, 9889256), (4, 4944628), (8, 2472314), (13, 1521424), (16, 1236157), (26, 760712), (52, 380356), (104, 190178), (208, 95089)]