19308212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 43794240

約数和(自身を除く): 24486028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 121, 139, 154, 164, 242, 278, 287, 308, 451, 484, 556, 574, 847, 902, 973, 1148, 1529, 1694, 1804, 1946, 3058, 3157, 3388, 3892, 4961, 5699, 6116, 6314, 9922, 10703, 11398, 12628, 16819, 19844, 21406, 22796, 33638, 34727, 39893, 42812, 62689, 67276, 69454, 79786, 117733, 125378, 138908, 159572, 235466, 250756, 438823, 470932, 689579, 877646, 1379158, 1755292, 2758316, 4827053, 9654106, 19308212]

約数ペア:

[(1, 19308212), (2, 9654106), (4, 4827053), (7, 2758316), (11, 1755292), (14, 1379158), (22, 877646), (28, 689579), (41, 470932), (44, 438823), (77, 250756), (82, 235466), (121, 159572), (139, 138908), (154, 125378), (164, 117733), (242, 79786), (278, 69454), (287, 67276), (308, 62689), (451, 42812), (484, 39893), (556, 34727), (574, 33638), (847, 22796), (902, 21406), (973, 19844), (1148, 16819), (1529, 12628), (1694, 11398), (1804, 10703), (1946, 9922), (3058, 6314), (3157, 6116), (3388, 5699), (3892, 4961)]