19789696

素因数分解:

$2^7\times {\mathrm{349}}^1\times {\mathrm{443}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 39627000

約数和(自身を除く): 19837304

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 349, 443, 698, 886, 1396, 1772, 2792, 3544, 5584, 7088, 11168, 14176, 22336, 28352, 44672, 56704, 154607, 309214, 618428, 1236856, 2473712, 4947424, 9894848, 19789696]

約数ペア:

[(1, 19789696), (2, 9894848), (4, 4947424), (8, 2473712), (16, 1236856), (32, 618428), (64, 309214), (128, 154607), (349, 56704), (443, 44672), (698, 28352), (886, 22336), (1396, 14176), (1772, 11168), (2792, 7088), (3544, 5584)]