19684780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42793}}^1$

素因数の和:42825

約数の個数: 24

約数和(自身を含む): 43136352

約数和(自身を除く): 23451572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42793, 85586, 171172, 213965, 427930, 855860, 984239, 1968478, 3936956, 4921195, 9842390, 19684780]

約数ペア:

[(1, 19684780), (2, 9842390), (4, 4921195), (5, 3936956), (10, 1968478), (20, 984239), (23, 855860), (46, 427930), (92, 213965), (115, 171172), (230, 85586), (460, 42793)]