18542404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12841}}^1$

素因数の和:12883

約数の個数: 18

約数和(自身を含む): 34249614

約数和(自身を除く): 15707210

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12841, 25682, 51364, 243979, 487958, 975916, 4635601, 9271202, 18542404]

約数ペア:

[(1, 18542404), (2, 9271202), (4, 4635601), (19, 975916), (38, 487958), (76, 243979), (361, 51364), (722, 25682), (1444, 12841)]