19800248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190387}}^1$

素因数の和:190406

約数の個数: 16

約数和(自身を含む): 39981480

約数和(自身を除く): 20181232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190387, 380774, 761548, 1523096, 2475031, 4950062, 9900124, 19800248]

約数ペア:

[(1, 19800248), (2, 9900124), (4, 4950062), (8, 2475031), (13, 1523096), (26, 761548), (52, 380774), (104, 190387)]