19170778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9791}}^1$

素因数の和:9893

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 12555302

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9791, 19582, 107701, 215402, 871399, 1742798, 9585389, 19170778]

約数ペア:

[(1, 19170778), (2, 9585389), (11, 1742798), (22, 871399), (89, 215402), (178, 107701), (979, 19582), (1958, 9791)]