18811045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 7731035

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 383, 517, 893, 1045, 1915, 2585, 4213, 4465, 7277, 9823, 18001, 21065, 36385, 49115, 80047, 90005, 198011, 342019, 400235, 990055, 1710095, 3762209, 18811045]

約数ペア:

[(1, 18811045), (5, 3762209), (11, 1710095), (19, 990055), (47, 400235), (55, 342019), (95, 198011), (209, 90005), (235, 80047), (383, 49115), (517, 36385), (893, 21065), (1045, 18001), (1915, 9823), (2585, 7277), (4213, 4465)]