19832240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 46433040

約数和(自身を除く): 26600800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 1579, 2512, 3140, 3158, 6280, 6316, 7895, 12560, 12632, 15790, 25264, 31580, 63160, 126320, 247903, 495806, 991612, 1239515, 1983224, 2479030, 3966448, 4958060, 9916120, 19832240]

約数ペア:

[(1, 19832240), (2, 9916120), (4, 4958060), (5, 3966448), (8, 2479030), (10, 1983224), (16, 1239515), (20, 991612), (40, 495806), (80, 247903), (157, 126320), (314, 63160), (628, 31580), (785, 25264), (1256, 15790), (1570, 12632), (1579, 12560), (2512, 7895), (3140, 6316), (3158, 6280)]