18054215

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 22107360

約数和(自身を除く): 4053145

約数列:

[1, 5, 109, 157, 211, 545, 785, 1055, 17113, 22999, 33127, 85565, 114995, 165635, 3610843, 18054215]

約数ペア:

[(1, 18054215), (5, 3610843), (109, 165635), (157, 114995), (211, 85565), (545, 33127), (785, 22999), (1055, 17113)]