19444821

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 31715712

約数和(自身を除く): 12270891

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 121, 137, 187, 253, 363, 391, 411, 561, 759, 1173, 1507, 2057, 2329, 2783, 3151, 4301, 4521, 6171, 6987, 8349, 9453, 12903, 16577, 25619, 34661, 47311, 49731, 53567, 76857, 103983, 141933, 160701, 281809, 381271, 589237, 845427, 1143813, 1767711, 6481607, 19444821]

約数ペア:

[(1, 19444821), (3, 6481607), (11, 1767711), (17, 1143813), (23, 845427), (33, 589237), (51, 381271), (69, 281809), (121, 160701), (137, 141933), (187, 103983), (253, 76857), (363, 53567), (391, 49731), (411, 47311), (561, 34661), (759, 25619), (1173, 16577), (1507, 12903), (2057, 9453), (2329, 8349), (2783, 6987), (3151, 6171), (4301, 4521)]