18231796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 35452480

約数和(自身を除く): 17220684

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 271, 278, 484, 542, 556, 1084, 1529, 2981, 3058, 5962, 6116, 11924, 16819, 32791, 33638, 37669, 65582, 67276, 75338, 131164, 150676, 414359, 828718, 1657436, 4557949, 9115898, 18231796]

約数ペア:

[(1, 18231796), (2, 9115898), (4, 4557949), (11, 1657436), (22, 828718), (44, 414359), (121, 150676), (139, 131164), (242, 75338), (271, 67276), (278, 65582), (484, 37669), (542, 33638), (556, 32791), (1084, 16819), (1529, 11924), (2981, 6116), (3058, 5962)]