18226280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7723}}^1$

素因数の和:7793

約数の個数: 32

約数和(自身を含む): 41709600

約数和(自身を除く): 23483320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7723, 15446, 30892, 38615, 61784, 77230, 154460, 308920, 455657, 911314, 1822628, 2278285, 3645256, 4556570, 9113140, 18226280]

約数ペア:

[(1, 18226280), (2, 9113140), (4, 4556570), (5, 3645256), (8, 2278285), (10, 1822628), (20, 911314), (40, 455657), (59, 308920), (118, 154460), (236, 77230), (295, 61784), (472, 38615), (590, 30892), (1180, 15446), (2360, 7723)]