18980491803

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{103307}}^1$

素因数の和:104003

約数の個数: 32

約数和(自身を含む): 31194057216

約数和(自身を除く): 12213565413

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 673, 2019, 4711, 8749, 14133, 26247, 61243, 103307, 183729, 309921, 723149, 1342991, 2169447, 4028973, 9400937, 28202811, 69525611, 208576833, 486679277, 903832943, 1460037831, 2711498829, 6326830601, 18980491803]

約数ペア:

[(1, 18980491803), (3, 6326830601), (7, 2711498829), (13, 1460037831), (21, 903832943), (39, 486679277), (91, 208576833), (273, 69525611), (673, 28202811), (2019, 9400937), (4711, 4028973), (8749, 2169447), (14133, 1342991), (26247, 723149), (61243, 309921), (103307, 183729)]