18917192

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 44375040

約数和(自身を除く): 25457848

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 641, 868, 952, 1054, 1282, 1736, 2108, 2564, 3689, 4216, 4487, 5128, 7378, 8974, 10897, 14756, 17948, 19871, 21794, 29512, 35896, 39742, 43588, 76279, 79484, 87176, 139097, 152558, 158968, 278194, 305116, 337807, 556388, 610232, 675614, 1112776, 1351228, 2364649, 2702456, 4729298, 9458596, 18917192]

約数ペア:

[(1, 18917192), (2, 9458596), (4, 4729298), (7, 2702456), (8, 2364649), (14, 1351228), (17, 1112776), (28, 675614), (31, 610232), (34, 556388), (56, 337807), (62, 305116), (68, 278194), (119, 158968), (124, 152558), (136, 139097), (217, 87176), (238, 79484), (248, 76279), (434, 43588), (476, 39742), (527, 35896), (641, 29512), (868, 21794), (952, 19871), (1054, 17948), (1282, 14756), (1736, 10897), (2108, 8974), (2564, 7378), (3689, 5128), (4216, 4487)]