20189165056

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{251159}}^1$

素因数の和:251334

約数の個数: 40

約数和(自身を含む): 40595995440

約数和(自身を除く): 20406830384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 512, 628, 1256, 2512, 5024, 10048, 20096, 40192, 80384, 251159, 502318, 1004636, 2009272, 4018544, 8037088, 16074176, 32148352, 39431963, 64296704, 78863926, 128593408, 157727852, 315455704, 630911408, 1261822816, 2523645632, 5047291264, 10094582528, 20189165056]

約数ペア:

[(1, 20189165056), (2, 10094582528), (4, 5047291264), (8, 2523645632), (16, 1261822816), (32, 630911408), (64, 315455704), (128, 157727852), (157, 128593408), (256, 78863926), (314, 64296704), (512, 39431963), (628, 32148352), (1256, 16074176), (2512, 8037088), (5024, 4018544), (10048, 2009272), (20096, 1004636), (40192, 502318), (80384, 251159)]