18784420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15919}}^1$

素因数の和:15987

約数の個数: 24

約数和(自身を含む): 40118400

約数和(自身を除く): 21333980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 15919, 31838, 63676, 79595, 159190, 318380, 939221, 1878442, 3756884, 4696105, 9392210, 18784420]

約数ペア:

[(1, 18784420), (2, 9392210), (4, 4696105), (5, 3756884), (10, 1878442), (20, 939221), (59, 318380), (118, 159190), (236, 79595), (295, 63676), (590, 31838), (1180, 15919)]