19321660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23563}}^1$

素因数の和:23613

約数の個数: 24

約数和(自身を含む): 41566896

約数和(自身を除く): 22245236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23563, 47126, 94252, 117815, 235630, 471260, 966083, 1932166, 3864332, 4830415, 9660830, 19321660]

約数ペア:

[(1, 19321660), (2, 9660830), (4, 4830415), (5, 3864332), (10, 1932166), (20, 966083), (41, 471260), (82, 235630), (164, 117815), (205, 94252), (410, 47126), (820, 23563)]