18901444

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 34323968

約数和(自身を除く): 15422524

約数列:

[1, 2, 4, 31, 62, 124, 313, 487, 626, 974, 1252, 1948, 9703, 15097, 19406, 30194, 38812, 60388, 152431, 304862, 609724, 4725361, 9450722, 18901444]

約数ペア:

[(1, 18901444), (2, 9450722), (4, 4725361), (31, 609724), (62, 304862), (124, 152431), (313, 60388), (487, 38812), (626, 30194), (974, 19406), (1252, 15097), (1948, 9703)]