19152172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 37603776

約数和(自身を除く): 18451604

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 109, 124, 218, 403, 436, 806, 1417, 1612, 2834, 3379, 5668, 6758, 11881, 13516, 23762, 43927, 47524, 87854, 154453, 175708, 308906, 368311, 617812, 736622, 1473244, 4788043, 9576086, 19152172]

約数ペア:

[(1, 19152172), (2, 9576086), (4, 4788043), (13, 1473244), (26, 736622), (31, 617812), (52, 368311), (62, 308906), (109, 175708), (124, 154453), (218, 87854), (403, 47524), (436, 43927), (806, 23762), (1417, 13516), (1612, 11881), (2834, 6758), (3379, 5668)]