19192208

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 42705600

約数和(自身を除く): 23513392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 491, 698, 982, 1396, 1964, 2443, 2792, 3437, 3928, 4886, 5584, 6874, 7856, 9772, 13748, 19544, 27496, 39088, 54992, 171359, 342718, 685436, 1199513, 1370872, 2399026, 2741744, 4798052, 9596104, 19192208]

約数ペア:

[(1, 19192208), (2, 9596104), (4, 4798052), (7, 2741744), (8, 2399026), (14, 1370872), (16, 1199513), (28, 685436), (56, 342718), (112, 171359), (349, 54992), (491, 39088), (698, 27496), (982, 19544), (1396, 13748), (1964, 9772), (2443, 7856), (2792, 6874), (3437, 5584), (3928, 4886)]