18978768

素因数分解:

$2^4\times 3^2\times {\mathrm{131797}}^1$

素因数の和:131811

約数の個数: 30

約数和(自身を含む): 53114594

約数和(自身を除く): 34135826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131797, 263594, 395391, 527188, 790782, 1054376, 1186173, 1581564, 2108752, 2372346, 3163128, 4744692, 6326256, 9489384, 18978768]

約数ペア:

[(1, 18978768), (2, 9489384), (3, 6326256), (4, 4744692), (6, 3163128), (8, 2372346), (9, 2108752), (12, 1581564), (16, 1186173), (18, 1054376), (24, 790782), (36, 527188), (48, 395391), (72, 263594), (144, 131797)]