18387815405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{72383}}^1$

素因数の和:72505

約数の個数: 24

約数和(自身を含む): 23525379072

約数和(自身を除く): 5137563667

約数列:

[1, 5, 23, 47, 115, 235, 1081, 2209, 5405, 11045, 50807, 72383, 254035, 361915, 1664809, 3402001, 8324045, 17010005, 78246023, 159894047, 391230115, 799470235, 3677563081, 18387815405]

約数ペア:

[(1, 18387815405), (5, 3677563081), (23, 799470235), (47, 391230115), (115, 159894047), (235, 78246023), (1081, 17010005), (2209, 8324045), (5405, 3402001), (11045, 1664809), (50807, 361915), (72383, 254035)]