18638142

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{135059}}^1$

素因数の和:135087

約数の個数: 16

約数和(自身を含む): 38897280

約数和(自身を除く): 20259138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 135059, 270118, 405177, 810354, 3106357, 6212714, 9319071, 18638142]

約数ペア:

[(1, 18638142), (2, 9319071), (3, 6212714), (6, 3106357), (23, 810354), (46, 405177), (69, 270118), (138, 135059)]