19812464

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 60

約数和(自身を含む): 45927864

約数和(自身を除く): 26115400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 683, 784, 1036, 1366, 1813, 2072, 2732, 3626, 4144, 4781, 5464, 7252, 9562, 10928, 14504, 19124, 25271, 29008, 33467, 38248, 50542, 66934, 76496, 101084, 133868, 176897, 202168, 267736, 353794, 404336, 535472, 707588, 1238279, 1415176, 2476558, 2830352, 4953116, 9906232, 19812464]

約数ペア:

[(1, 19812464), (2, 9906232), (4, 4953116), (7, 2830352), (8, 2476558), (14, 1415176), (16, 1238279), (28, 707588), (37, 535472), (49, 404336), (56, 353794), (74, 267736), (98, 202168), (112, 176897), (148, 133868), (196, 101084), (259, 76496), (296, 66934), (392, 50542), (518, 38248), (592, 33467), (683, 29008), (784, 25271), (1036, 19124), (1366, 14504), (1813, 10928), (2072, 9562), (2732, 7252), (3626, 5464), (4144, 4781)]