19204940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7561}}^1$

素因数の和:7697

約数の個数: 24

約数和(自身を含む): 40653312

約数和(自身を除く): 21448372

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7561, 15122, 30244, 37805, 75610, 151220, 960247, 1920494, 3840988, 4801235, 9602470, 19204940]

約数ペア:

[(1, 19204940), (2, 9602470), (4, 4801235), (5, 3840988), (10, 1920494), (20, 960247), (127, 151220), (254, 75610), (508, 37805), (635, 30244), (1270, 15122), (2540, 7561)]