18472979

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 22187520

約数和(自身を除く): 3714541

約数列:

[1, 7, 23, 161, 179, 641, 1253, 4117, 4487, 14743, 28819, 103201, 114739, 803173, 2638997, 18472979]

約数ペア:

[(1, 18472979), (7, 2638997), (23, 803173), (161, 114739), (179, 103201), (641, 28819), (1253, 14743), (4117, 4487)]