18996930680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5218937}}^1$

素因数の和:5218968

約数の個数: 64

約数和(自身を含む): 52606895040

約数和(自身を除く): 33609964360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5218937, 10437874, 20875748, 26094685, 36532559, 41751496, 52189370, 67846181, 73065118, 104378740, 135692362, 146130236, 182662795, 208757480, 271384724, 292260472, 339230905, 365325590, 474923267, 542769448, 678461810, 730651180, 949846534, 1356923620, 1461302360, 1899693068, 2374616335, 2713847240, 3799386136, 4749232670, 9498465340, 18996930680]

約数ペア:

[(1, 18996930680), (2, 9498465340), (4, 4749232670), (5, 3799386136), (7, 2713847240), (8, 2374616335), (10, 1899693068), (13, 1461302360), (14, 1356923620), (20, 949846534), (26, 730651180), (28, 678461810), (35, 542769448), (40, 474923267), (52, 365325590), (56, 339230905), (65, 292260472), (70, 271384724), (91, 208757480), (104, 182662795), (130, 146130236), (140, 135692362), (182, 104378740), (260, 73065118), (280, 67846181), (364, 52189370), (455, 41751496), (520, 36532559), (728, 26094685), (910, 20875748), (1820, 10437874), (3640, 5218937)]