19610290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 42418944

約数和(自身を除く): 22808654

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1291, 1519, 2170, 2582, 3038, 6455, 7595, 9037, 12910, 15190, 18074, 40021, 45185, 63259, 80042, 90370, 126518, 200105, 280147, 316295, 400210, 560294, 632590, 1400735, 1961029, 2801470, 3922058, 9805145, 19610290]

約数ペア:

[(1, 19610290), (2, 9805145), (5, 3922058), (7, 2801470), (10, 1961029), (14, 1400735), (31, 632590), (35, 560294), (49, 400210), (62, 316295), (70, 280147), (98, 200105), (155, 126518), (217, 90370), (245, 80042), (310, 63259), (434, 45185), (490, 40021), (1085, 18074), (1291, 15190), (1519, 12910), (2170, 9037), (2582, 7595), (3038, 6455)]