20191145359

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3967}}^1$

素因数の和:4089

約数の個数: 64

約数和(自身を含む): 27426816000

約数和(自身を除く): 7235670641

約数列:

[1, 7, 11, 19, 49, 71, 77, 133, 209, 343, 497, 539, 781, 931, 1349, 1463, 3479, 3773, 3967, 5467, 6517, 9443, 10241, 14839, 24353, 27769, 38269, 43637, 66101, 71687, 75373, 103873, 194383, 267883, 281657, 305459, 462707, 527611, 727111, 829103, 1360681, 1971599, 2138213, 3098227, 3693277, 5089777, 5351483, 5803721, 13801193, 14967491, 21687589, 25852939, 37460381, 40626047, 58866313, 96608351, 151813123, 262222667, 284382329, 412064191, 1062691861, 1835558669, 2884449337, 20191145359]

約数ペア:

[(1, 20191145359), (7, 2884449337), (11, 1835558669), (19, 1062691861), (49, 412064191), (71, 284382329), (77, 262222667), (133, 151813123), (209, 96608351), (343, 58866313), (497, 40626047), (539, 37460381), (781, 25852939), (931, 21687589), (1349, 14967491), (1463, 13801193), (3479, 5803721), (3773, 5351483), (3967, 5089777), (5467, 3693277), (6517, 3098227), (9443, 2138213), (10241, 1971599), (14839, 1360681), (24353, 829103), (27769, 727111), (38269, 527611), (43637, 462707), (66101, 305459), (71687, 281657), (75373, 267883), (103873, 194383)]