19917342

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{25733}}^1$

素因数の和:25784

約数の個数: 24

約数和(自身を含む): 44159544

約数和(自身を除く): 24242202

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 25733, 51466, 77199, 154398, 231597, 463194, 1106519, 2213038, 3319557, 6639114, 9958671, 19917342]

約数ペア:

[(1, 19917342), (2, 9958671), (3, 6639114), (6, 3319557), (9, 2213038), (18, 1106519), (43, 463194), (86, 231597), (129, 154398), (258, 77199), (387, 51466), (774, 25733)]