19644940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140321}}^1$

素因数の和:140337

約数の個数: 24

約数和(自身を含む): 47148192

約数和(自身を除く): 27503252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140321, 280642, 561284, 701605, 982247, 1403210, 1964494, 2806420, 3928988, 4911235, 9822470, 19644940]

約数ペア:

[(1, 19644940), (2, 9822470), (4, 4911235), (5, 3928988), (7, 2806420), (10, 1964494), (14, 1403210), (20, 982247), (28, 701605), (35, 561284), (70, 280642), (140, 140321)]