19218544

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2111}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 37319040

約数和(自身を除く): 18100496

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2111, 2276, 4222, 4552, 8444, 9104, 16888, 33776, 1201159, 2402318, 4804636, 9609272, 19218544]

約数ペア:

[(1, 19218544), (2, 9609272), (4, 4804636), (8, 2402318), (16, 1201159), (569, 33776), (1138, 16888), (2111, 9104), (2276, 8444), (4222, 4552)]