19985742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158617}}^1$

素因数の和:158632

約数の個数: 24

約数和(自身を含む): 49488816

約数和(自身を除く): 29503074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158617, 317234, 475851, 951702, 1110319, 1427553, 2220638, 2855106, 3330957, 6661914, 9992871, 19985742]

約数ペア:

[(1, 19985742), (2, 9992871), (3, 6661914), (6, 3330957), (7, 2855106), (9, 2220638), (14, 1427553), (18, 1110319), (21, 951702), (42, 475851), (63, 317234), (126, 158617)]