19271224

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 24067016

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 53, 56, 86, 106, 151, 172, 212, 301, 302, 344, 371, 424, 602, 604, 742, 1057, 1204, 1208, 1484, 2114, 2279, 2408, 2968, 4228, 4558, 6493, 8003, 8456, 9116, 12986, 15953, 16006, 18232, 25972, 31906, 32012, 45451, 51944, 56021, 63812, 64024, 90902, 112042, 127624, 181804, 224084, 344129, 363608, 448168, 688258, 1376516, 2408903, 2753032, 4817806, 9635612, 19271224]

約数ペア:

[(1, 19271224), (2, 9635612), (4, 4817806), (7, 2753032), (8, 2408903), (14, 1376516), (28, 688258), (43, 448168), (53, 363608), (56, 344129), (86, 224084), (106, 181804), (151, 127624), (172, 112042), (212, 90902), (301, 64024), (302, 63812), (344, 56021), (371, 51944), (424, 45451), (602, 32012), (604, 31906), (742, 25972), (1057, 18232), (1204, 16006), (1208, 15953), (1484, 12986), (2114, 9116), (2279, 8456), (2408, 8003), (2968, 6493), (4228, 4558)]