18617992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136897}}^1$

素因数の和:136920

約数の個数: 16

約数和(自身を含む): 36962460

約数和(自身を除く): 18344468

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136897, 273794, 547588, 1095176, 2327249, 4654498, 9308996, 18617992]

約数ペア:

[(1, 18617992), (2, 9308996), (4, 4654498), (8, 2327249), (17, 1095176), (34, 547588), (68, 273794), (136, 136897)]