19304285

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 34473600

約数和(自身を除く): 15169315

約数列:

[1, 5, 7, 11, 13, 19, 29, 35, 49, 55, 65, 77, 91, 95, 133, 143, 145, 203, 209, 245, 247, 319, 377, 385, 455, 539, 551, 637, 665, 715, 931, 1001, 1015, 1045, 1235, 1421, 1463, 1595, 1729, 1885, 2233, 2639, 2695, 2717, 2755, 3185, 3857, 4147, 4655, 5005, 6061, 7007, 7105, 7163, 7315, 8645, 10241, 11165, 12103, 13195, 13585, 15631, 18473, 19019, 19285, 20735, 26999, 29029, 30305, 35035, 35815, 42427, 50141, 51205, 60515, 78155, 78793, 92365, 95095, 133133, 134995, 145145, 203203, 212135, 250705, 296989, 350987, 393965, 551551, 665665, 1016015, 1484945, 1754935, 2757755, 3860857, 19304285]

約数ペア:

[(1, 19304285), (5, 3860857), (7, 2757755), (11, 1754935), (13, 1484945), (19, 1016015), (29, 665665), (35, 551551), (49, 393965), (55, 350987), (65, 296989), (77, 250705), (91, 212135), (95, 203203), (133, 145145), (143, 134995), (145, 133133), (203, 95095), (209, 92365), (245, 78793), (247, 78155), (319, 60515), (377, 51205), (385, 50141), (455, 42427), (539, 35815), (551, 35035), (637, 30305), (665, 29029), (715, 26999), (931, 20735), (1001, 19285), (1015, 19019), (1045, 18473), (1235, 15631), (1421, 13585), (1463, 13195), (1595, 12103), (1729, 11165), (1885, 10241), (2233, 8645), (2639, 7315), (2695, 7163), (2717, 7105), (2755, 7007), (3185, 6061), (3857, 5005), (4147, 4655)]