19749510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19949}}^1$

素因数の和:19973

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 36270090

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19949, 39898, 59847, 99745, 119694, 179541, 199490, 219439, 299235, 359082, 438878, 598470, 658317, 897705, 1097195, 1316634, 1795410, 1974951, 2194390, 3291585, 3949902, 6583170, 9874755, 19749510]

約数ペア:

[(1, 19749510), (2, 9874755), (3, 6583170), (5, 3949902), (6, 3291585), (9, 2194390), (10, 1974951), (11, 1795410), (15, 1316634), (18, 1097195), (22, 897705), (30, 658317), (33, 598470), (45, 438878), (55, 359082), (66, 299235), (90, 219439), (99, 199490), (110, 179541), (165, 119694), (198, 99745), (330, 59847), (495, 39898), (990, 19949)]