18523340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 42729120

約数和(自身を除く): 24205780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 313, 538, 626, 1076, 1252, 1345, 1565, 2690, 2959, 3130, 3443, 5380, 5918, 6260, 6886, 11836, 13772, 14795, 17215, 29590, 34430, 59180, 68860, 84197, 168394, 336788, 420985, 841970, 926167, 1683940, 1852334, 3704668, 4630835, 9261670, 18523340]

約数ペア:

[(1, 18523340), (2, 9261670), (4, 4630835), (5, 3704668), (10, 1852334), (11, 1683940), (20, 926167), (22, 841970), (44, 420985), (55, 336788), (110, 168394), (220, 84197), (269, 68860), (313, 59180), (538, 34430), (626, 29590), (1076, 17215), (1252, 14795), (1345, 13772), (1565, 11836), (2690, 6886), (2959, 6260), (3130, 5918), (3443, 5380)]