19797752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4643}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 21162328

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4643, 9286, 18572, 37144, 60359, 120718, 190363, 241436, 380726, 482872, 761452, 1522904, 2474719, 4949438, 9898876, 19797752]

約数ペア:

[(1, 19797752), (2, 9898876), (4, 4949438), (8, 2474719), (13, 1522904), (26, 761452), (41, 482872), (52, 380726), (82, 241436), (104, 190363), (164, 120718), (328, 60359), (533, 37144), (1066, 18572), (2132, 9286), (4264, 4643)]