19755964655

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{56941}}^1$

素因数の和:57407

約数の個数: 32

約数和(自身を含む): 28337983488

約数和(自身を除く): 8582018833

約数列:

[1, 5, 7, 23, 35, 115, 161, 431, 805, 2155, 3017, 9913, 15085, 49565, 56941, 69391, 284705, 346955, 398587, 1309643, 1992935, 6548215, 9167501, 24541571, 45837505, 122707855, 171790997, 564456133, 858954985, 2822280665, 3951192931, 19755964655]

約数ペア:

[(1, 19755964655), (5, 3951192931), (7, 2822280665), (23, 858954985), (35, 564456133), (115, 171790997), (161, 122707855), (431, 45837505), (805, 24541571), (2155, 9167501), (3017, 6548215), (9913, 1992935), (15085, 1309643), (49565, 398587), (56941, 346955), (69391, 284705)]