18239416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 37290960

約数和(自身を除く): 19051544

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2113, 2158, 4226, 4316, 8452, 8632, 16904, 27469, 54938, 109876, 175379, 219752, 350758, 701516, 1403032, 2279927, 4559854, 9119708, 18239416]

約数ペア:

[(1, 18239416), (2, 9119708), (4, 4559854), (8, 2279927), (13, 1403032), (26, 701516), (52, 350758), (83, 219752), (104, 175379), (166, 109876), (332, 54938), (664, 27469), (1079, 16904), (2113, 8632), (2158, 8452), (4226, 4316)]