17920154

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67369}}^1$

素因数の和:67397

約数の個数: 16

約数和(自身を含む): 32337600

約数和(自身を除く): 14417446

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 67369, 134738, 471583, 943166, 1280011, 2560022, 8960077, 17920154]

約数ペア:

[(1, 17920154), (2, 8960077), (7, 2560022), (14, 1280011), (19, 943166), (38, 471583), (133, 134738), (266, 67369)]