19266065

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 11070703

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 245, 263, 299, 455, 637, 805, 1127, 1315, 1495, 1841, 2093, 3185, 3419, 5635, 6049, 9205, 10465, 12887, 14651, 17095, 23933, 30245, 42343, 64435, 73255, 78637, 119665, 167531, 211715, 296401, 393185, 550459, 837655, 1482005, 2752295, 3853213, 19266065]

約数ペア:

[(1, 19266065), (5, 3853213), (7, 2752295), (13, 1482005), (23, 837655), (35, 550459), (49, 393185), (65, 296401), (91, 211715), (115, 167531), (161, 119665), (245, 78637), (263, 73255), (299, 64435), (455, 42343), (637, 30245), (805, 23933), (1127, 17095), (1315, 14651), (1495, 12887), (1841, 10465), (2093, 9205), (3185, 6049), (3419, 5635)]