19984164

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38729}}^1$

素因数の和:38779

約数の個数: 24

約数和(自身を含む): 47715360

約数和(自身を除く): 27731196

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38729, 77458, 116187, 154916, 232374, 464748, 1665347, 3330694, 4996041, 6661388, 9992082, 19984164]

約数ペア:

[(1, 19984164), (2, 9992082), (3, 6661388), (4, 4996041), (6, 3330694), (12, 1665347), (43, 464748), (86, 232374), (129, 154916), (172, 116187), (258, 77458), (516, 38729)]