19237240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43721}}^1$

素因数の和:43743

約数の個数: 32

約数和(自身を含む): 47219760

約数和(自身を除く): 27982520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43721, 87442, 174884, 218605, 349768, 437210, 480931, 874420, 961862, 1748840, 1923724, 2404655, 3847448, 4809310, 9618620, 19237240]

約数ペア:

[(1, 19237240), (2, 9618620), (4, 4809310), (5, 3847448), (8, 2404655), (10, 1923724), (11, 1748840), (20, 961862), (22, 874420), (40, 480931), (44, 437210), (55, 349768), (88, 218605), (110, 174884), (220, 87442), (440, 43721)]