19399536

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 60076016

約数和(自身を除く): 40676480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 172, 208, 234, 241, 258, 312, 344, 387, 468, 482, 516, 559, 624, 688, 723, 774, 936, 964, 1032, 1118, 1446, 1548, 1677, 1872, 1928, 2064, 2169, 2236, 2892, 3096, 3133, 3354, 3856, 4338, 4472, 5031, 5784, 6192, 6266, 6708, 8676, 8944, 9399, 10062, 10363, 11568, 12532, 13416, 17352, 18798, 20124, 20726, 25064, 26832, 28197, 31089, 34704, 37596, 40248, 41452, 50128, 56394, 62178, 75192, 80496, 82904, 93267, 112788, 124356, 134719, 150384, 165808, 186534, 225576, 248712, 269438, 373068, 404157, 451152, 497424, 538876, 746136, 808314, 1077752, 1212471, 1492272, 1616628, 2155504, 2424942, 3233256, 4849884, 6466512, 9699768, 19399536]

約数ペア:

[(1, 19399536), (2, 9699768), (3, 6466512), (4, 4849884), (6, 3233256), (8, 2424942), (9, 2155504), (12, 1616628), (13, 1492272), (16, 1212471), (18, 1077752), (24, 808314), (26, 746136), (36, 538876), (39, 497424), (43, 451152), (48, 404157), (52, 373068), (72, 269438), (78, 248712), (86, 225576), (104, 186534), (117, 165808), (129, 150384), (144, 134719), (156, 124356), (172, 112788), (208, 93267), (234, 82904), (241, 80496), (258, 75192), (312, 62178), (344, 56394), (387, 50128), (468, 41452), (482, 40248), (516, 37596), (559, 34704), (624, 31089), (688, 28197), (723, 26832), (774, 25064), (936, 20726), (964, 20124), (1032, 18798), (1118, 17352), (1446, 13416), (1548, 12532), (1677, 11568), (1872, 10363), (1928, 10062), (2064, 9399), (2169, 8944), (2236, 8676), (2892, 6708), (3096, 6266), (3133, 6192), (3354, 5784), (3856, 5031), (4338, 4472)]