19401970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8986

約数の個数: 32

約数和(自身を含む): 41204736

約数和(自身を除く): 21802766

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8941, 17882, 44705, 62587, 89410, 125174, 277171, 312935, 554342, 625870, 1385855, 1940197, 2771710, 3880394, 9700985, 19401970]

約数ペア:

[(1, 19401970), (2, 9700985), (5, 3880394), (7, 2771710), (10, 1940197), (14, 1385855), (31, 625870), (35, 554342), (62, 312935), (70, 277171), (155, 125174), (217, 89410), (310, 62587), (434, 44705), (1085, 17882), (2170, 8941)]