18706866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{479}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 20553294

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 283, 479, 566, 849, 958, 1437, 1698, 2874, 6509, 11017, 13018, 19527, 22034, 33051, 39054, 66102, 135557, 271114, 406671, 813342, 3117811, 6235622, 9353433, 18706866]

約数ペア:

[(1, 18706866), (2, 9353433), (3, 6235622), (6, 3117811), (23, 813342), (46, 406671), (69, 271114), (138, 135557), (283, 66102), (479, 39054), (566, 33051), (849, 22034), (958, 19527), (1437, 13018), (1698, 11017), (2874, 6509)]