19511281408

素因数分解:

$2^8\times {\mathrm{211}}^1\times {\mathrm{361213}}^1$

素因数の和:361440

約数の個数: 36

約数和(自身を含む): 39131035048

約数和(自身を除く): 19619753640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 256, 422, 844, 1688, 3376, 6752, 13504, 27008, 54016, 361213, 722426, 1444852, 2889704, 5779408, 11558816, 23117632, 46235264, 76215943, 92470528, 152431886, 304863772, 609727544, 1219455088, 2438910176, 4877820352, 9755640704, 19511281408]

約数ペア:

[(1, 19511281408), (2, 9755640704), (4, 4877820352), (8, 2438910176), (16, 1219455088), (32, 609727544), (64, 304863772), (128, 152431886), (211, 92470528), (256, 76215943), (422, 46235264), (844, 23117632), (1688, 11558816), (3376, 5779408), (6752, 2889704), (13504, 1444852), (27008, 722426), (54016, 361213)]