2018974340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1654897}}^1$

素因数の和:1654967

約数の個数: 24

約数和(自身を含む): 4309354392

約数和(自身を除く): 2290380052

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1654897, 3309794, 6619588, 8274485, 16548970, 33097940, 100948717, 201897434, 403794868, 504743585, 1009487170, 2018974340]

約数ペア:

[(1, 2018974340), (2, 1009487170), (4, 504743585), (5, 403794868), (10, 201897434), (20, 100948717), (61, 33097940), (122, 16548970), (244, 8274485), (305, 6619588), (610, 3309794), (1220, 1654897)]