18755394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 45281088

約数和(自身を除く): 26525694

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1237, 2166, 2474, 2527, 3711, 5054, 7422, 7581, 8659, 15162, 17318, 23503, 25977, 47006, 51954, 70509, 141018, 164521, 329042, 446557, 493563, 893114, 987126, 1339671, 2679342, 3125899, 6251798, 9377697, 18755394]

約数ペア:

[(1, 18755394), (2, 9377697), (3, 6251798), (6, 3125899), (7, 2679342), (14, 1339671), (19, 987126), (21, 893114), (38, 493563), (42, 446557), (57, 329042), (114, 164521), (133, 141018), (266, 70509), (361, 51954), (399, 47006), (722, 25977), (798, 23503), (1083, 17318), (1237, 15162), (2166, 8659), (2474, 7581), (2527, 7422), (3711, 5054)]