17801998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9963

約数の個数: 16

約数和(自身を含む): 28517760

約数和(自身を除く): 10715762

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 9901, 19802, 287129, 306931, 574258, 613862, 8900999, 17801998]

約数ペア:

[(1, 17801998), (2, 8900999), (29, 613862), (31, 574258), (58, 306931), (62, 287129), (899, 19802), (1798, 9901)]