19168149

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 34573824

約数和(自身を除く): 15405675

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 491, 507, 1001, 1183, 1473, 1859, 3003, 3437, 3549, 5401, 5577, 6383, 10311, 13013, 16203, 19149, 37807, 39039, 44681, 70213, 82979, 113421, 134043, 210639, 248937, 491491, 580853, 912769, 1474473, 1742559, 2738307, 6389383, 19168149]

約数ペア:

[(1, 19168149), (3, 6389383), (7, 2738307), (11, 1742559), (13, 1474473), (21, 912769), (33, 580853), (39, 491491), (77, 248937), (91, 210639), (143, 134043), (169, 113421), (231, 82979), (273, 70213), (429, 44681), (491, 39039), (507, 37807), (1001, 19149), (1183, 16203), (1473, 13013), (1859, 10311), (3003, 6383), (3437, 5577), (3549, 5401)]