19974843

素因数分解:

$3^5\times 7^1\times {\mathrm{11743}}^1$

素因数の和:11765

約数の個数: 24

約数和(自身を含む): 34198528

約数和(自身を除く): 14223685

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11743, 35229, 82201, 105687, 246603, 317061, 739809, 951183, 2219427, 2853549, 6658281, 19974843]

約数ペア:

[(1, 19974843), (3, 6658281), (7, 2853549), (9, 2219427), (21, 951183), (27, 739809), (63, 317061), (81, 246603), (189, 105687), (243, 82201), (567, 35229), (1701, 11743)]