19476992

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 40

約数和(自身を含む): 39385500

約数和(自身を除く): 19908508

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 349, 436, 512, 698, 872, 1396, 1744, 2792, 3488, 5584, 6976, 11168, 13952, 22336, 27904, 38041, 44672, 55808, 76082, 89344, 152164, 178688, 304328, 608656, 1217312, 2434624, 4869248, 9738496, 19476992]

約数ペア:

[(1, 19476992), (2, 9738496), (4, 4869248), (8, 2434624), (16, 1217312), (32, 608656), (64, 304328), (109, 178688), (128, 152164), (218, 89344), (256, 76082), (349, 55808), (436, 44672), (512, 38041), (698, 27904), (872, 22336), (1396, 13952), (1744, 11168), (2792, 6976), (3488, 5584)]