18873798548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 38559628800

約数和(自身を除く): 19685830252

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 197, 349, 367, 374, 394, 698, 734, 748, 788, 1396, 1468, 2167, 3349, 3839, 4037, 4334, 5933, 6239, 6698, 7678, 8074, 8668, 11866, 12478, 13396, 15356, 16148, 23732, 24956, 36839, 65263, 68629, 68753, 72299, 73678, 128083, 130526, 137258, 137506, 144598, 147356, 256166, 261052, 274516, 275012, 289196, 512332, 756283, 795289, 1168801, 1229083, 1408913, 1512566, 1590578, 2177411, 2337602, 2458166, 2817826, 3025132, 3181156, 4354822, 4675204, 4916332, 5635652, 8709644, 12856811, 13519913, 23951521, 25232351, 25713622, 27039826, 47903042, 50464702, 51427244, 54079652, 95806084, 100929404, 277555861, 428949967, 555111722, 857899934, 1110223444, 1715799868, 4718449637, 9436899274, 18873798548]

約数ペア:

[(1, 18873798548), (2, 9436899274), (4, 4718449637), (11, 1715799868), (17, 1110223444), (22, 857899934), (34, 555111722), (44, 428949967), (68, 277555861), (187, 100929404), (197, 95806084), (349, 54079652), (367, 51427244), (374, 50464702), (394, 47903042), (698, 27039826), (734, 25713622), (748, 25232351), (788, 23951521), (1396, 13519913), (1468, 12856811), (2167, 8709644), (3349, 5635652), (3839, 4916332), (4037, 4675204), (4334, 4354822), (5933, 3181156), (6239, 3025132), (6698, 2817826), (7678, 2458166), (8074, 2337602), (8668, 2177411), (11866, 1590578), (12478, 1512566), (13396, 1408913), (15356, 1229083), (16148, 1168801), (23732, 795289), (24956, 756283), (36839, 512332), (65263, 289196), (68629, 275012), (68753, 274516), (72299, 261052), (73678, 256166), (128083, 147356), (130526, 144598), (137258, 137506)]