19213812

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1087}}^1$

素因数の和:1588

約数の個数: 36

約数和(自身を含む): 48711936

約数和(自身を除く): 29498124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1087, 1473, 1964, 2174, 2946, 3261, 4348, 4419, 5892, 6522, 8838, 9783, 13044, 17676, 19566, 39132, 533717, 1067434, 1601151, 2134868, 3202302, 4803453, 6404604, 9606906, 19213812]

約数ペア:

[(1, 19213812), (2, 9606906), (3, 6404604), (4, 4803453), (6, 3202302), (9, 2134868), (12, 1601151), (18, 1067434), (36, 533717), (491, 39132), (982, 19566), (1087, 17676), (1473, 13044), (1964, 9783), (2174, 8838), (2946, 6522), (3261, 5892), (4348, 4419)]