19800848

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12253}}^1$

素因数の和:12362

約数の個数: 20

約数和(自身を含む): 38747148

約数和(自身を除く): 18946300

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12253, 24506, 49012, 98024, 196048, 1237553, 2475106, 4950212, 9900424, 19800848]

約数ペア:

[(1, 19800848), (2, 9900424), (4, 4950212), (8, 2475106), (16, 1237553), (101, 196048), (202, 98024), (404, 49012), (808, 24506), (1616, 12253)]