15899884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 108

約数和(自身を含む): 39727632

約数和(自身を除く): 23827748

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 121, 133, 143, 154, 182, 209, 242, 247, 266, 286, 308, 361, 364, 418, 484, 494, 532, 572, 722, 836, 847, 988, 1001, 1444, 1463, 1573, 1694, 1729, 2002, 2299, 2527, 2717, 2926, 3146, 3388, 3458, 3971, 4004, 4598, 4693, 5054, 5434, 5852, 6292, 6916, 7942, 9196, 9386, 10108, 10868, 11011, 15884, 16093, 18772, 19019, 22022, 27797, 29887, 32186, 32851, 38038, 43681, 44044, 51623, 55594, 59774, 64372, 65702, 76076, 87362, 103246, 111188, 119548, 131404, 174724, 206492, 209209, 305767, 361361, 418418, 567853, 611534, 722722, 836836, 1135706, 1223068, 1445444, 2271412, 3974971, 7949942, 15899884]

約数ペア:

[(1, 15899884), (2, 7949942), (4, 3974971), (7, 2271412), (11, 1445444), (13, 1223068), (14, 1135706), (19, 836836), (22, 722722), (26, 611534), (28, 567853), (38, 418418), (44, 361361), (52, 305767), (76, 209209), (77, 206492), (91, 174724), (121, 131404), (133, 119548), (143, 111188), (154, 103246), (182, 87362), (209, 76076), (242, 65702), (247, 64372), (266, 59774), (286, 55594), (308, 51623), (361, 44044), (364, 43681), (418, 38038), (484, 32851), (494, 32186), (532, 29887), (572, 27797), (722, 22022), (836, 19019), (847, 18772), (988, 16093), (1001, 15884), (1444, 11011), (1463, 10868), (1573, 10108), (1694, 9386), (1729, 9196), (2002, 7942), (2299, 6916), (2527, 6292), (2717, 5852), (2926, 5434), (3146, 5054), (3388, 4693), (3458, 4598), (3971, 4004)]