18833416

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 43476480

約数和(自身を除く): 24643064

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 73, 119, 136, 146, 238, 271, 292, 476, 511, 542, 584, 952, 1022, 1084, 1241, 1897, 2044, 2168, 2482, 3794, 4088, 4607, 4964, 7588, 8687, 9214, 9928, 15176, 17374, 18428, 19783, 32249, 34748, 36856, 39566, 64498, 69496, 79132, 128996, 138481, 158264, 257992, 276962, 336311, 553924, 672622, 1107848, 1345244, 2354177, 2690488, 4708354, 9416708, 18833416]

約数ペア:

[(1, 18833416), (2, 9416708), (4, 4708354), (7, 2690488), (8, 2354177), (14, 1345244), (17, 1107848), (28, 672622), (34, 553924), (56, 336311), (68, 276962), (73, 257992), (119, 158264), (136, 138481), (146, 128996), (238, 79132), (271, 69496), (292, 64498), (476, 39566), (511, 36856), (542, 34748), (584, 32249), (952, 19783), (1022, 18428), (1084, 17374), (1241, 15176), (1897, 9928), (2044, 9214), (2168, 8687), (2482, 7588), (3794, 4964), (4088, 4607)]