19808226

素因数分解:

$2^1\times 3^4\times {\mathrm{122273}}^1$

素因数の和:122287

約数の個数: 20

約数和(自身を含む): 44385462

約数和(自身を除く): 24577236

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 122273, 244546, 366819, 733638, 1100457, 2200914, 3301371, 6602742, 9904113, 19808226]

約数ペア:

[(1, 19808226), (2, 9904113), (3, 6602742), (6, 3301371), (9, 2200914), (18, 1100457), (27, 733638), (54, 366819), (81, 244546), (162, 122273)]