18993350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{19993}}^1$

素因数の和:20024

約数の個数: 24

約数和(自身を含む): 37188840

約数和(自身を除く): 18195490

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 19993, 39986, 99965, 199930, 379867, 499825, 759734, 999650, 1899335, 3798670, 9496675, 18993350]

約数ペア:

[(1, 18993350), (2, 9496675), (5, 3798670), (10, 1899335), (19, 999650), (25, 759734), (38, 499825), (50, 379867), (95, 199930), (190, 99965), (475, 39986), (950, 19993)]