19305680

素因数分解:

$2^4\times 5^1\times {\mathrm{241321}}^1$

素因数の和:241334

約数の個数: 20

約数和(自身を含む): 44885892

約数和(自身を除く): 25580212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241321, 482642, 965284, 1206605, 1930568, 2413210, 3861136, 4826420, 9652840, 19305680]

約数ペア:

[(1, 19305680), (2, 9652840), (4, 4826420), (5, 3861136), (8, 2413210), (10, 1930568), (16, 1206605), (20, 965284), (40, 482642), (80, 241321)]