9878404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{6841}}^1$

素因数の和:6883

約数の個数: 18

約数和(自身を含む): 18247614

約数和(自身を除く): 8369210

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 6841, 13682, 27364, 129979, 259958, 519916, 2469601, 4939202, 9878404]

約数ペア:

[(1, 9878404), (2, 4939202), (4, 2469601), (19, 519916), (38, 259958), (76, 129979), (361, 27364), (722, 13682), (1444, 6841)]