19693408

素因数分解:

$2^5\times 7^1\times {\mathrm{87917}}^1$

素因数の和:87934

約数の個数: 24

約数和(自身を含む): 44310672

約数和(自身を除く): 24617264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87917, 175834, 351668, 615419, 703336, 1230838, 1406672, 2461676, 2813344, 4923352, 9846704, 19693408]

約数ペア:

[(1, 19693408), (2, 9846704), (4, 4923352), (7, 2813344), (8, 2461676), (14, 1406672), (16, 1230838), (28, 703336), (32, 615419), (56, 351668), (112, 175834), (224, 87917)]