19765228

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3302

約数の個数: 36

約数和(自身を含む): 41547072

約数和(自身を除く): 21781844

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3253, 6076, 6506, 13012, 22771, 45542, 91084, 100843, 159397, 201686, 318794, 403372, 637588, 705901, 1411802, 2823604, 4941307, 9882614, 19765228]

約数ペア:

[(1, 19765228), (2, 9882614), (4, 4941307), (7, 2823604), (14, 1411802), (28, 705901), (31, 637588), (49, 403372), (62, 318794), (98, 201686), (124, 159397), (196, 100843), (217, 91084), (434, 45542), (868, 22771), (1519, 13012), (3038, 6506), (3253, 6076)]