17988760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19553}}^1$

素因数の和:19587

約数の個数: 32

約数和(自身を含む): 42236640

約数和(自身を除く): 24247880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19553, 39106, 78212, 97765, 156424, 195530, 391060, 449719, 782120, 899438, 1798876, 2248595, 3597752, 4497190, 8994380, 17988760]

約数ペア:

[(1, 17988760), (2, 8994380), (4, 4497190), (5, 3597752), (8, 2248595), (10, 1798876), (20, 899438), (23, 782120), (40, 449719), (46, 391060), (92, 195530), (115, 156424), (184, 97765), (230, 78212), (460, 39106), (920, 19553)]