18925784

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 36536400

約数和(自身を除く): 17610616

約数列:

[1, 2, 4, 8, 59, 101, 118, 202, 236, 397, 404, 472, 794, 808, 1588, 3176, 5959, 11918, 23423, 23836, 40097, 46846, 47672, 80194, 93692, 160388, 187384, 320776, 2365723, 4731446, 9462892, 18925784]

約数ペア:

[(1, 18925784), (2, 9462892), (4, 4731446), (8, 2365723), (59, 320776), (101, 187384), (118, 160388), (202, 93692), (236, 80194), (397, 47672), (404, 46846), (472, 40097), (794, 23836), (808, 23423), (1588, 11918), (3176, 5959)]