18018657

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 11633823

約数列:

[1, 3, 9, 17, 29, 31, 51, 87, 93, 131, 153, 261, 279, 393, 493, 527, 899, 1179, 1479, 1581, 2227, 2697, 3799, 4061, 4437, 4743, 6681, 8091, 11397, 12183, 15283, 20043, 34191, 36549, 45849, 64583, 69037, 117769, 137547, 193749, 207111, 353307, 581247, 621333, 1059921, 2002073, 6006219, 18018657]

約数ペア:

[(1, 18018657), (3, 6006219), (9, 2002073), (17, 1059921), (29, 621333), (31, 581247), (51, 353307), (87, 207111), (93, 193749), (131, 137547), (153, 117769), (261, 69037), (279, 64583), (393, 45849), (493, 36549), (527, 34191), (899, 20043), (1179, 15283), (1479, 12183), (1581, 11397), (2227, 8091), (2697, 6681), (3799, 4743), (4061, 4437)]