19948360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21683}}^1$

素因数の和:21717

約数の個数: 32

約数和(自身を含む): 46837440

約数和(自身を除く): 26889080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21683, 43366, 86732, 108415, 173464, 216830, 433660, 498709, 867320, 997418, 1994836, 2493545, 3989672, 4987090, 9974180, 19948360]

約数ペア:

[(1, 19948360), (2, 9974180), (4, 4987090), (5, 3989672), (8, 2493545), (10, 1994836), (20, 997418), (23, 867320), (40, 498709), (46, 433660), (92, 216830), (115, 173464), (184, 108415), (230, 86732), (460, 43366), (920, 21683)]