19952955

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 38110176

約数和(自身を除く): 18157221

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 233, 495, 519, 699, 865, 1165, 1557, 1903, 2097, 2563, 2595, 3495, 5709, 7689, 7785, 9515, 10485, 12815, 17127, 23067, 28545, 38445, 40309, 85635, 115335, 120927, 201545, 362781, 443399, 604635, 1330197, 1813905, 2216995, 3990591, 6650985, 19952955]

約数ペア:

[(1, 19952955), (3, 6650985), (5, 3990591), (9, 2216995), (11, 1813905), (15, 1330197), (33, 604635), (45, 443399), (55, 362781), (99, 201545), (165, 120927), (173, 115335), (233, 85635), (495, 40309), (519, 38445), (699, 28545), (865, 23067), (1165, 17127), (1557, 12815), (1903, 10485), (2097, 9515), (2563, 7785), (2595, 7689), (3495, 5709)]