18457072921

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{2557}}^1\times {\mathrm{6829}}^1$

素因数の和:9544

約数の個数: 16

約数和(自身を含む): 21244906240

約数和(自身を除く): 2787833319

約数列:

[1, 7, 151, 1057, 2557, 6829, 17899, 47803, 386107, 1031179, 2702749, 7218253, 17461753, 122232271, 2636724703, 18457072921]

約数ペア:

[(1, 18457072921), (7, 2636724703), (151, 122232271), (1057, 17461753), (2557, 7218253), (6829, 2702749), (17899, 1031179), (47803, 386107)]