2019412915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{1487}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 2767322880

約数和(自身を除く): 747909965

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1229, 1487, 6145, 7435, 15977, 19331, 20893, 25279, 79885, 96655, 104465, 126395, 271609, 328627, 1358045, 1643135, 1827523, 9137615, 23757799, 31067891, 118788995, 155339455, 403882583, 2019412915]

約数ペア:

[(1, 2019412915), (5, 403882583), (13, 155339455), (17, 118788995), (65, 31067891), (85, 23757799), (221, 9137615), (1105, 1827523), (1229, 1643135), (1487, 1358045), (6145, 328627), (7435, 271609), (15977, 126395), (19331, 104465), (20893, 96655), (25279, 79885)]