2018909816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 4864665600

約数和(自身を除く): 2845755784

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 137, 154, 188, 274, 308, 329, 376, 509, 517, 548, 616, 658, 959, 1018, 1034, 1096, 1316, 1507, 1918, 2036, 2068, 2632, 3014, 3563, 3619, 3836, 4072, 4136, 5599, 6028, 6439, 7126, 7238, 7672, 10549, 11198, 12056, 12878, 14252, 14476, 21098, 22396, 23923, 25756, 28504, 28952, 39193, 42196, 44792, 45073, 47846, 51512, 69733, 70829, 78386, 84392, 90146, 95692, 139466, 141658, 156772, 167461, 180292, 191384, 263153, 278932, 283316, 313544, 334922, 360584, 488131, 495803, 526306, 557864, 566632, 669844, 767063, 976262, 991606, 1052612, 1339688, 1534126, 1842071, 1952524, 1983212, 2105224, 3068252, 3277451, 3684142, 3905048, 3966424, 5369441, 6136504, 6554902, 7368284, 10738882, 13109804, 14736568, 21477764, 22942157, 26219608, 36051961, 42955528, 45884314, 72103922, 91768628, 144207844, 183537256, 252363727, 288415688, 504727454, 1009454908, 2018909816]

約数ペア:

[(1, 2018909816), (2, 1009454908), (4, 504727454), (7, 288415688), (8, 252363727), (11, 183537256), (14, 144207844), (22, 91768628), (28, 72103922), (44, 45884314), (47, 42955528), (56, 36051961), (77, 26219608), (88, 22942157), (94, 21477764), (137, 14736568), (154, 13109804), (188, 10738882), (274, 7368284), (308, 6554902), (329, 6136504), (376, 5369441), (509, 3966424), (517, 3905048), (548, 3684142), (616, 3277451), (658, 3068252), (959, 2105224), (1018, 1983212), (1034, 1952524), (1096, 1842071), (1316, 1534126), (1507, 1339688), (1918, 1052612), (2036, 991606), (2068, 976262), (2632, 767063), (3014, 669844), (3563, 566632), (3619, 557864), (3836, 526306), (4072, 495803), (4136, 488131), (5599, 360584), (6028, 334922), (6439, 313544), (7126, 283316), (7238, 278932), (7672, 263153), (10549, 191384), (11198, 180292), (12056, 167461), (12878, 156772), (14252, 141658), (14476, 139466), (21098, 95692), (22396, 90146), (23923, 84392), (25756, 78386), (28504, 70829), (28952, 69733), (39193, 51512), (42196, 47846), (44792, 45073)]