16811874

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 40

約数和(自身を含む): 37968348

約数和(自身を除く): 21156474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 661, 942, 1322, 1413, 1983, 2826, 3966, 4239, 5949, 8478, 11898, 12717, 17847, 25434, 35694, 53541, 103777, 107082, 207554, 311331, 622662, 933993, 1867986, 2801979, 5603958, 8405937, 16811874]

約数ペア:

[(1, 16811874), (2, 8405937), (3, 5603958), (6, 2801979), (9, 1867986), (18, 933993), (27, 622662), (54, 311331), (81, 207554), (157, 107082), (162, 103777), (314, 53541), (471, 35694), (661, 25434), (942, 17847), (1322, 12717), (1413, 11898), (1983, 8478), (2826, 5949), (3966, 4239)]