18378889240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{226007}}^1$

素因数の和:226144

約数の個数: 64

約数和(自身を含む): 43935955200

約数和(自身を除く): 25557065960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 1070, 2033, 2140, 4066, 4280, 8132, 10165, 16264, 20330, 40660, 81320, 226007, 452014, 904028, 1130035, 1808056, 2260070, 4294133, 4520140, 8588266, 9040280, 17176532, 21470665, 24182749, 34353064, 42941330, 48365498, 85882660, 96730996, 120913745, 171765320, 193461992, 241827490, 459472231, 483654980, 918944462, 967309960, 1837888924, 2297361155, 3675777848, 4594722310, 9189444620, 18378889240]

約数ペア:

[(1, 18378889240), (2, 9189444620), (4, 4594722310), (5, 3675777848), (8, 2297361155), (10, 1837888924), (19, 967309960), (20, 918944462), (38, 483654980), (40, 459472231), (76, 241827490), (95, 193461992), (107, 171765320), (152, 120913745), (190, 96730996), (214, 85882660), (380, 48365498), (428, 42941330), (535, 34353064), (760, 24182749), (856, 21470665), (1070, 17176532), (2033, 9040280), (2140, 8588266), (4066, 4520140), (4280, 4294133), (8132, 2260070), (10165, 1808056), (16264, 1130035), (20330, 904028), (40660, 452014), (81320, 226007)]