19986724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4099}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 17208476

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4099, 4876, 8198, 16396, 94277, 188554, 217247, 377108, 434494, 868988, 4996681, 9993362, 19986724]

約数ペア:

[(1, 19986724), (2, 9993362), (4, 4996681), (23, 868988), (46, 434494), (53, 377108), (92, 217247), (106, 188554), (212, 94277), (1219, 16396), (2438, 8198), (4099, 4876)]