17989240

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2693}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 40733280

約数和(自身を除く): 22744040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2693, 3340, 5386, 6680, 10772, 13465, 21544, 26930, 53860, 107720, 449731, 899462, 1798924, 2248655, 3597848, 4497310, 8994620, 17989240]

約数ペア:

[(1, 17989240), (2, 8994620), (4, 4497310), (5, 3597848), (8, 2248655), (10, 1798924), (20, 899462), (40, 449731), (167, 107720), (334, 53860), (668, 26930), (835, 21544), (1336, 13465), (1670, 10772), (2693, 6680), (3340, 5386)]