19408977

素因数分解:

$3^4\times 7^1\times {\mathrm{34231}}^1$

素因数の和:34250

約数の個数: 20

約数和(自身を含む): 33136576

約数和(自身を除く): 13727599

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34231, 102693, 239617, 308079, 718851, 924237, 2156553, 2772711, 6469659, 19408977]

約数ペア:

[(1, 19408977), (3, 6469659), (7, 2772711), (9, 2156553), (21, 924237), (27, 718851), (63, 308079), (81, 239617), (189, 102693), (567, 34231)]