19142156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 17522164

約数列:

[1, 2, 4, 11, 22, 44, 439, 878, 991, 1756, 1982, 3964, 4829, 9658, 10901, 19316, 21802, 43604, 435049, 870098, 1740196, 4785539, 9571078, 19142156]

約数ペア:

[(1, 19142156), (2, 9571078), (4, 4785539), (11, 1740196), (22, 870098), (44, 435049), (439, 43604), (878, 21802), (991, 19316), (1756, 10901), (1982, 9658), (3964, 4829)]