19002078279

素因数分解:

$3^6\times {\mathrm{1637}}^1\times {\mathrm{15923}}^1$

素因数の和:17578

約数の個数: 28

約数和(自身を含む): 28509278616

約数和(自身を除く): 9507200337

約数列:

[1, 3, 9, 27, 81, 243, 729, 1637, 4911, 14733, 15923, 44199, 47769, 132597, 143307, 397791, 429921, 1193373, 1289763, 3869289, 11607867, 26065951, 78197853, 234593559, 703780677, 2111342031, 6334026093, 19002078279]

約数ペア:

[(1, 19002078279), (3, 6334026093), (9, 2111342031), (27, 703780677), (81, 234593559), (243, 78197853), (729, 26065951), (1637, 11607867), (4911, 3869289), (14733, 1289763), (15923, 1193373), (44199, 429921), (47769, 397791), (132597, 143307)]