18177712

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 40647200

約数和(自身を除く): 22469488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1489, 1526, 1744, 2978, 3052, 5956, 6104, 10423, 11912, 12208, 20846, 23824, 41692, 83384, 162301, 166768, 324602, 649204, 1136107, 1298408, 2272214, 2596816, 4544428, 9088856, 18177712]

約数ペア:

[(1, 18177712), (2, 9088856), (4, 4544428), (7, 2596816), (8, 2272214), (14, 1298408), (16, 1136107), (28, 649204), (56, 324602), (109, 166768), (112, 162301), (218, 83384), (436, 41692), (763, 23824), (872, 20846), (1489, 12208), (1526, 11912), (1744, 10423), (2978, 6104), (3052, 5956)]