19416969

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15419511

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 47, 99, 107, 117, 141, 143, 297, 321, 351, 423, 429, 517, 611, 963, 1177, 1269, 1287, 1391, 1551, 1833, 2889, 3531, 3861, 4173, 4653, 5029, 5499, 6721, 10593, 12519, 13959, 15087, 15301, 16497, 20163, 31779, 37557, 45261, 45903, 55319, 60489, 65377, 135783, 137709, 165957, 181467, 196131, 413127, 497871, 588393, 719147, 1493613, 1765179, 2157441, 6472323, 19416969]

約数ペア:

[(1, 19416969), (3, 6472323), (9, 2157441), (11, 1765179), (13, 1493613), (27, 719147), (33, 588393), (39, 497871), (47, 413127), (99, 196131), (107, 181467), (117, 165957), (141, 137709), (143, 135783), (297, 65377), (321, 60489), (351, 55319), (423, 45903), (429, 45261), (517, 37557), (611, 31779), (963, 20163), (1177, 16497), (1269, 15301), (1287, 15087), (1391, 13959), (1551, 12519), (1833, 10593), (2889, 6721), (3531, 5499), (3861, 5029), (4173, 4653)]