18755270

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 15839290

約数列:

[1, 2, 5, 10, 103, 131, 139, 206, 262, 278, 515, 655, 695, 1030, 1310, 1390, 13493, 14317, 18209, 26986, 28634, 36418, 67465, 71585, 91045, 134930, 143170, 182090, 1875527, 3751054, 9377635, 18755270]

約数ペア:

[(1, 18755270), (2, 9377635), (5, 3751054), (10, 1875527), (103, 182090), (131, 143170), (139, 134930), (206, 91045), (262, 71585), (278, 67465), (515, 36418), (655, 28634), (695, 26986), (1030, 18209), (1310, 14317), (1390, 13493)]