18870293095

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{809}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 23128934400

約数和(自身を除く): 4258641305

約数列:

[1, 5, 109, 127, 337, 545, 635, 809, 1685, 4045, 13843, 36733, 42799, 69215, 88181, 102743, 183665, 213995, 272633, 440905, 513715, 1363165, 4665091, 11198987, 23325455, 29716997, 34624391, 55994935, 148584985, 173121955, 3774058619, 18870293095]

約数ペア:

[(1, 18870293095), (5, 3774058619), (109, 173121955), (127, 148584985), (337, 55994935), (545, 34624391), (635, 29716997), (809, 23325455), (1685, 11198987), (4045, 4665091), (13843, 1363165), (36733, 513715), (42799, 440905), (69215, 272633), (88181, 213995), (102743, 183665)]