18252663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 28879872

約数和(自身を除く): 10627209

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 271, 429, 471, 813, 1727, 2041, 2981, 3523, 5181, 6123, 8943, 10569, 22451, 38753, 42547, 67353, 116259, 127641, 468017, 553111, 1404051, 1659333, 6084221, 18252663]

約数ペア:

[(1, 18252663), (3, 6084221), (11, 1659333), (13, 1404051), (33, 553111), (39, 468017), (143, 127641), (157, 116259), (271, 67353), (429, 42547), (471, 38753), (813, 22451), (1727, 10569), (2041, 8943), (2981, 6123), (3523, 5181)]