19722428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4621}}^1$

素因数の和:4733

約数の個数: 24

約数和(自身を含む): 38048304

約数和(自身を除く): 18325876

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4621, 9242, 18484, 50831, 101662, 203324, 448237, 896474, 1792948, 4930607, 9861214, 19722428]

約数ペア:

[(1, 19722428), (2, 9861214), (4, 4930607), (11, 1792948), (22, 896474), (44, 448237), (97, 203324), (194, 101662), (388, 50831), (1067, 18484), (2134, 9242), (4268, 4621)]