19714772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^2$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 45337152

約数和(自身を除く): 25622380

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 529, 644, 847, 1012, 1058, 1331, 1694, 1771, 2116, 2662, 2783, 3388, 3542, 3703, 5324, 5566, 5819, 7084, 7406, 9317, 11132, 11638, 14812, 18634, 19481, 23276, 30613, 37268, 38962, 40733, 61226, 64009, 77924, 81466, 122452, 128018, 162932, 214291, 256036, 428582, 448063, 704099, 857164, 896126, 1408198, 1792252, 2816396, 4928693, 9857386, 19714772]

約数ペア:

[(1, 19714772), (2, 9857386), (4, 4928693), (7, 2816396), (11, 1792252), (14, 1408198), (22, 896126), (23, 857164), (28, 704099), (44, 448063), (46, 428582), (77, 256036), (92, 214291), (121, 162932), (154, 128018), (161, 122452), (242, 81466), (253, 77924), (308, 64009), (322, 61226), (484, 40733), (506, 38962), (529, 37268), (644, 30613), (847, 23276), (1012, 19481), (1058, 18634), (1331, 14812), (1694, 11638), (1771, 11132), (2116, 9317), (2662, 7406), (2783, 7084), (3388, 5819), (3542, 5566), (3703, 5324)]