19802696

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 38475000

約数和(自身を除く): 18672304

約数列:

[1, 2, 4, 8, 37, 74, 148, 149, 296, 298, 449, 596, 898, 1192, 1796, 3592, 5513, 11026, 16613, 22052, 33226, 44104, 66452, 66901, 132904, 133802, 267604, 535208, 2475337, 4950674, 9901348, 19802696]

約数ペア:

[(1, 19802696), (2, 9901348), (4, 4950674), (8, 2475337), (37, 535208), (74, 267604), (148, 133802), (149, 132904), (296, 66901), (298, 66452), (449, 44104), (596, 33226), (898, 22052), (1192, 16613), (1796, 11026), (3592, 5513)]