18913026

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 23221374

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 121, 218, 239, 242, 327, 363, 478, 654, 717, 726, 1199, 1434, 2398, 2629, 3597, 5258, 7194, 7887, 13189, 15774, 26051, 26378, 28919, 39567, 52102, 57838, 78153, 79134, 86757, 156306, 173514, 286561, 573122, 859683, 1719366, 3152171, 6304342, 9456513, 18913026]

約数ペア:

[(1, 18913026), (2, 9456513), (3, 6304342), (6, 3152171), (11, 1719366), (22, 859683), (33, 573122), (66, 286561), (109, 173514), (121, 156306), (218, 86757), (239, 79134), (242, 78153), (327, 57838), (363, 52102), (478, 39567), (654, 28919), (717, 26378), (726, 26051), (1199, 15774), (1434, 13189), (2398, 7887), (2629, 7194), (3597, 5258)]