19923712

素因数分解:

$2^8\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:588

約数の個数: 36

約数和(自身を含む): 40062400

約数和(自身を除く): 20138688

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 256, 349, 446, 698, 892, 1396, 1784, 2792, 3568, 5584, 7136, 11168, 14272, 22336, 28544, 44672, 57088, 77827, 89344, 155654, 311308, 622616, 1245232, 2490464, 4980928, 9961856, 19923712]

約数ペア:

[(1, 19923712), (2, 9961856), (4, 4980928), (8, 2490464), (16, 1245232), (32, 622616), (64, 311308), (128, 155654), (223, 89344), (256, 77827), (349, 57088), (446, 44672), (698, 28544), (892, 22336), (1396, 14272), (1784, 11168), (2792, 7136), (3568, 5584)]