18780327868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1\times {\mathrm{2347}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 34687586304

約数和(自身を除く): 15907258436

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1373, 1457, 2347, 2746, 2914, 4694, 5492, 5828, 9388, 42563, 64531, 72757, 85126, 110309, 129062, 145514, 170252, 220618, 258124, 291028, 441236, 2000461, 3222431, 3419579, 4000922, 6444862, 6839158, 8001844, 12889724, 13678316, 99895361, 151454257, 199790722, 302908514, 399581444, 605817028, 4695081967, 9390163934, 18780327868]

約数ペア:

[(1, 18780327868), (2, 9390163934), (4, 4695081967), (31, 605817028), (47, 399581444), (62, 302908514), (94, 199790722), (124, 151454257), (188, 99895361), (1373, 13678316), (1457, 12889724), (2347, 8001844), (2746, 6839158), (2914, 6444862), (4694, 4000922), (5492, 3419579), (5828, 3222431), (9388, 2000461), (42563, 441236), (64531, 291028), (72757, 258124), (85126, 220618), (110309, 170252), (129062, 145514)]