19120815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 38316096

約数和(自身を除く): 19195281

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 601, 707, 909, 1515, 1803, 2121, 3005, 3535, 4207, 4545, 5409, 6363, 9015, 10605, 12621, 21035, 27045, 31815, 37863, 60701, 63105, 182103, 189315, 303505, 424907, 546309, 910515, 1274721, 2124535, 2731545, 3824163, 6373605, 19120815]

約数ペア:

[(1, 19120815), (3, 6373605), (5, 3824163), (7, 2731545), (9, 2124535), (15, 1274721), (21, 910515), (35, 546309), (45, 424907), (63, 303505), (101, 189315), (105, 182103), (303, 63105), (315, 60701), (505, 37863), (601, 31815), (707, 27045), (909, 21035), (1515, 12621), (1803, 10605), (2121, 9015), (3005, 6363), (3535, 5409), (4207, 4545)]