19105244

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 34420848

約数和(自身を除く): 15315604

約数列:

[1, 2, 4, 43, 86, 172, 277, 401, 554, 802, 1108, 1604, 11911, 17243, 23822, 34486, 47644, 68972, 111077, 222154, 444308, 4776311, 9552622, 19105244]

約数ペア:

[(1, 19105244), (2, 9552622), (4, 4776311), (43, 444308), (86, 222154), (172, 111077), (277, 68972), (401, 47644), (554, 34486), (802, 23822), (1108, 17243), (1604, 11911)]