19910572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3037}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 18368228

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3037, 3278, 6074, 6556, 12148, 33407, 66814, 133628, 452513, 905026, 1810052, 4977643, 9955286, 19910572]

約数ペア:

[(1, 19910572), (2, 9955286), (4, 4977643), (11, 1810052), (22, 905026), (44, 452513), (149, 133628), (298, 66814), (596, 33407), (1639, 12148), (3037, 6556), (3278, 6074)]