18431824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60631}}^1$

素因数の和:60658

約数の個数: 20

約数和(自身を含む): 37591840

約数和(自身を除く): 19160016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60631, 121262, 242524, 485048, 970096, 1151989, 2303978, 4607956, 9215912, 18431824]

約数ペア:

[(1, 18431824), (2, 9215912), (4, 4607956), (8, 2303978), (16, 1151989), (19, 970096), (38, 485048), (76, 242524), (152, 121262), (304, 60631)]