18641088290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1320

約数の個数: 128

約数和(自身を含む): 39696168960

約数和(自身を除く): 21055080670

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 41, 55, 82, 95, 110, 190, 205, 209, 211, 410, 418, 422, 451, 779, 902, 1031, 1045, 1055, 1558, 2062, 2090, 2110, 2255, 2321, 3895, 4009, 4510, 4642, 5155, 7790, 8018, 8569, 8651, 10310, 11341, 11605, 17138, 17302, 19589, 20045, 22682, 23210, 39178, 40090, 42271, 42845, 43255, 44099, 56705, 84542, 85690, 86510, 88198, 95161, 97945, 113410, 164369, 190322, 195890, 211355, 215479, 217541, 220495, 328738, 422710, 430958, 435082, 440990, 464981, 475805, 803149, 821845, 929962, 951610, 1077395, 1087705, 1606298, 1643690, 1808059, 2154790, 2175410, 2324905, 2392951, 3616118, 4015745, 4133279, 4649810, 4785902, 8031490, 8266558, 8834639, 8919181, 9040295, 11964755, 17669278, 17838362, 18080590, 20666395, 23929510, 41332790, 44173195, 44595905, 45466069, 88346390, 89191810, 90932138, 98110991, 169464439, 196221982, 227330345, 338928878, 454660690, 490554955, 847322195, 981109910, 1694644390, 1864108829, 3728217658, 9320544145, 18641088290]

約数ペア:

[(1, 18641088290), (2, 9320544145), (5, 3728217658), (10, 1864108829), (11, 1694644390), (19, 981109910), (22, 847322195), (38, 490554955), (41, 454660690), (55, 338928878), (82, 227330345), (95, 196221982), (110, 169464439), (190, 98110991), (205, 90932138), (209, 89191810), (211, 88346390), (410, 45466069), (418, 44595905), (422, 44173195), (451, 41332790), (779, 23929510), (902, 20666395), (1031, 18080590), (1045, 17838362), (1055, 17669278), (1558, 11964755), (2062, 9040295), (2090, 8919181), (2110, 8834639), (2255, 8266558), (2321, 8031490), (3895, 4785902), (4009, 4649810), (4510, 4133279), (4642, 4015745), (5155, 3616118), (7790, 2392951), (8018, 2324905), (8569, 2175410), (8651, 2154790), (10310, 1808059), (11341, 1643690), (11605, 1606298), (17138, 1087705), (17302, 1077395), (19589, 951610), (20045, 929962), (22682, 821845), (23210, 803149), (39178, 475805), (40090, 464981), (42271, 440990), (42845, 435082), (43255, 430958), (44099, 422710), (56705, 328738), (84542, 220495), (85690, 217541), (86510, 215479), (88198, 211355), (95161, 195890), (97945, 190322), (113410, 164369)]