18195718

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{3761}}^1$

素因数の和:3863

約数の個数: 16

約数和(自身を含む): 28440720

約数和(自身を除く): 10245002

約数列:

[1, 2, 41, 59, 82, 118, 2419, 3761, 4838, 7522, 154201, 221899, 308402, 443798, 9097859, 18195718]

約数ペア:

[(1, 18195718), (2, 9097859), (41, 443798), (59, 308402), (82, 221899), (118, 154201), (2419, 7522), (3761, 4838)]