19645496624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94449503}}^1$

素因数の和:94449524

約数の個数: 20

約数和(自身を含む): 40991084736

約数和(自身を除く): 21345588112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94449503, 188899006, 377798012, 755596024, 1227843539, 1511192048, 2455687078, 4911374156, 9822748312, 19645496624]

約数ペア:

[(1, 19645496624), (2, 9822748312), (4, 4911374156), (8, 2455687078), (13, 1511192048), (16, 1227843539), (26, 755596024), (52, 377798012), (104, 188899006), (208, 94449503)]