18878362

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 31737600

約数和(自身を除く): 12859238

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 463, 551, 703, 926, 1073, 1102, 1406, 2146, 8797, 13427, 17131, 17594, 20387, 26854, 34262, 40774, 255113, 325489, 496799, 510226, 650978, 993598, 9439181, 18878362]

約数ペア:

[(1, 18878362), (2, 9439181), (19, 993598), (29, 650978), (37, 510226), (38, 496799), (58, 325489), (74, 255113), (463, 40774), (551, 34262), (703, 26854), (926, 20387), (1073, 17594), (1102, 17131), (1406, 13427), (2146, 8797)]