19144340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7307}}^1$

素因数の和:7447

約数の個数: 24

約数和(自身を含む): 40515552

約数和(自身を除く): 21371212

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7307, 14614, 29228, 36535, 73070, 146140, 957217, 1914434, 3828868, 4786085, 9572170, 19144340]

約数ペア:

[(1, 19144340), (2, 9572170), (4, 4786085), (5, 3828868), (10, 1914434), (20, 957217), (131, 146140), (262, 73070), (524, 36535), (655, 29228), (1310, 14614), (2620, 7307)]