19682516

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 40415508

約数和(自身を除く): 20732992

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 733, 959, 1466, 1918, 2932, 3836, 5131, 6713, 10262, 13426, 20524, 26852, 35917, 71834, 100421, 143668, 200842, 401684, 702947, 1405894, 2811788, 4920629, 9841258, 19682516]

約数ペア:

[(1, 19682516), (2, 9841258), (4, 4920629), (7, 2811788), (14, 1405894), (28, 702947), (49, 401684), (98, 200842), (137, 143668), (196, 100421), (274, 71834), (548, 35917), (733, 26852), (959, 20524), (1466, 13426), (1918, 10262), (2932, 6713), (3836, 5131)]