18519028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13577}}^1$

素因数の和:13623

約数の個数: 24

約数和(自身を含む): 36497664

約数和(自身を除く): 17978636

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 13577, 27154, 54308, 149347, 298694, 420887, 597388, 841774, 1683548, 4629757, 9259514, 18519028]

約数ペア:

[(1, 18519028), (2, 9259514), (4, 4629757), (11, 1683548), (22, 841774), (31, 597388), (44, 420887), (62, 298694), (124, 149347), (341, 54308), (682, 27154), (1364, 13577)]