19860456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 62435520

約数和(自身を除く): 42575064

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 121, 132, 154, 168, 231, 242, 264, 308, 363, 462, 484, 616, 726, 847, 924, 968, 977, 1452, 1694, 1848, 1954, 2541, 2904, 2931, 3388, 3908, 5082, 5862, 6776, 6839, 7816, 10164, 10747, 11724, 13678, 20328, 20517, 21494, 23448, 27356, 32241, 41034, 42988, 54712, 64482, 75229, 82068, 85976, 118217, 128964, 150458, 164136, 225687, 236434, 257928, 300916, 354651, 451374, 472868, 601832, 709302, 827519, 902748, 945736, 1418604, 1655038, 1805496, 2482557, 2837208, 3310076, 4965114, 6620152, 9930228, 19860456]

約数ペア:

[(1, 19860456), (2, 9930228), (3, 6620152), (4, 4965114), (6, 3310076), (7, 2837208), (8, 2482557), (11, 1805496), (12, 1655038), (14, 1418604), (21, 945736), (22, 902748), (24, 827519), (28, 709302), (33, 601832), (42, 472868), (44, 451374), (56, 354651), (66, 300916), (77, 257928), (84, 236434), (88, 225687), (121, 164136), (132, 150458), (154, 128964), (168, 118217), (231, 85976), (242, 82068), (264, 75229), (308, 64482), (363, 54712), (462, 42988), (484, 41034), (616, 32241), (726, 27356), (847, 23448), (924, 21494), (968, 20517), (977, 20328), (1452, 13678), (1694, 11724), (1848, 10747), (1954, 10164), (2541, 7816), (2904, 6839), (2931, 6776), (3388, 5862), (3908, 5082)]