19704510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31277}}^1$

素因数の和:31297

約数の個数: 48

約数和(自身を含む): 58552416

約数和(自身を除く): 38847906

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31277, 62554, 93831, 156385, 187662, 218939, 281493, 312770, 437878, 469155, 562986, 656817, 938310, 1094695, 1313634, 1407465, 1970451, 2189390, 2814930, 3284085, 3940902, 6568170, 9852255, 19704510]

約数ペア:

[(1, 19704510), (2, 9852255), (3, 6568170), (5, 3940902), (6, 3284085), (7, 2814930), (9, 2189390), (10, 1970451), (14, 1407465), (15, 1313634), (18, 1094695), (21, 938310), (30, 656817), (35, 562986), (42, 469155), (45, 437878), (63, 312770), (70, 281493), (90, 218939), (105, 187662), (126, 156385), (210, 93831), (315, 62554), (630, 31277)]