19158370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24387230

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 179, 278, 358, 385, 695, 770, 895, 973, 1253, 1390, 1529, 1790, 1946, 1969, 2506, 3058, 3938, 4865, 6265, 7645, 9730, 9845, 10703, 12530, 13783, 15290, 19690, 21406, 24881, 27566, 49762, 53515, 68915, 107030, 124405, 137830, 174167, 248810, 273691, 348334, 547382, 870835, 1368455, 1741670, 1915837, 2736910, 3831674, 9579185, 19158370]

約数ペア:

[(1, 19158370), (2, 9579185), (5, 3831674), (7, 2736910), (10, 1915837), (11, 1741670), (14, 1368455), (22, 870835), (35, 547382), (55, 348334), (70, 273691), (77, 248810), (110, 174167), (139, 137830), (154, 124405), (179, 107030), (278, 68915), (358, 53515), (385, 49762), (695, 27566), (770, 24881), (895, 21406), (973, 19690), (1253, 15290), (1390, 13783), (1529, 12530), (1790, 10703), (1946, 9845), (1969, 9730), (2506, 7645), (3058, 6265), (3938, 4865)]