19795251

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 31385088

約数和(自身を除く): 11589837

約数列:

[1, 3, 7, 21, 41, 83, 123, 249, 277, 287, 581, 831, 861, 1743, 1939, 3403, 5817, 10209, 11357, 22991, 23821, 34071, 68973, 71463, 79499, 160937, 238497, 482811, 942631, 2827893, 6598417, 19795251]

約数ペア:

[(1, 19795251), (3, 6598417), (7, 2827893), (21, 942631), (41, 482811), (83, 238497), (123, 160937), (249, 79499), (277, 71463), (287, 68973), (581, 34071), (831, 23821), (861, 22991), (1743, 11357), (1939, 10209), (3403, 5817)]