18770972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38783}}^1$

素因数の和:38809

約数の個数: 18

約数和(自身を含む): 36107904

約数和(自身を除く): 17336932

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38783, 77566, 155132, 426613, 853226, 1706452, 4692743, 9385486, 18770972]

約数ペア:

[(1, 18770972), (2, 9385486), (4, 4692743), (11, 1706452), (22, 853226), (44, 426613), (121, 155132), (242, 77566), (484, 38783)]