19804036

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 36

約数和(自身を含む): 40857600

約数和(自身を除く): 21053564

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1279, 2212, 2558, 3871, 5116, 7742, 8953, 15484, 17906, 35812, 62671, 101041, 125342, 202082, 250684, 404164, 707287, 1414574, 2829148, 4951009, 9902018, 19804036]

約数ペア:

[(1, 19804036), (2, 9902018), (4, 4951009), (7, 2829148), (14, 1414574), (28, 707287), (49, 404164), (79, 250684), (98, 202082), (158, 125342), (196, 101041), (316, 62671), (553, 35812), (1106, 17906), (1279, 15484), (2212, 8953), (2558, 7742), (3871, 5116)]