18677362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9539}}^1$

素因数の和:9641

約数の個数: 16

約数和(自身を含む): 30909600

約数和(自身を除く): 12232238

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9539, 19078, 104929, 209858, 848971, 1697942, 9338681, 18677362]

約数ペア:

[(1, 18677362), (2, 9338681), (11, 1697942), (22, 848971), (89, 209858), (178, 104929), (979, 19078), (1958, 9539)]