18017774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 29082240

約数和(自身を除く): 11064466

約数列:

[1, 2, 43, 53, 59, 67, 86, 106, 118, 134, 2279, 2537, 2881, 3127, 3551, 3953, 4558, 5074, 5762, 6254, 7102, 7906, 134461, 152693, 169979, 209509, 268922, 305386, 339958, 419018, 9008887, 18017774]

約数ペア:

[(1, 18017774), (2, 9008887), (43, 419018), (53, 339958), (59, 305386), (67, 268922), (86, 209509), (106, 169979), (118, 152693), (134, 134461), (2279, 7906), (2537, 7102), (2881, 6254), (3127, 5762), (3551, 5074), (3953, 4558)]