19325480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7211}}^1$

素因数の和:7289

約数の個数: 32

約数和(自身を含む): 44137440

約数和(自身を除く): 24811960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7211, 14422, 28844, 36055, 57688, 72110, 144220, 288440, 483137, 966274, 1932548, 2415685, 3865096, 4831370, 9662740, 19325480]

約数ペア:

[(1, 19325480), (2, 9662740), (4, 4831370), (5, 3865096), (8, 2415685), (10, 1932548), (20, 966274), (40, 483137), (67, 288440), (134, 144220), (268, 72110), (335, 57688), (536, 36055), (670, 28844), (1340, 14422), (2680, 7211)]