19018890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19211}}^1$

素因数の和:19235

約数の個数: 48

約数和(自身を含む): 53947296

約数和(自身を除く): 34928406

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, 19211, 38422, 57633, 96055, 115266, 172899, 192110, 211321, 288165, 345798, 422642, 576330, 633963, 864495, 1056605, 1267926, 1728990, 1901889, 2113210, 3169815, 3803778, 6339630, 9509445, 19018890]

約数ペア:

[(1, 19018890), (2, 9509445), (3, 6339630), (5, 3803778), (6, 3169815), (9, 2113210), (10, 1901889), (11, 1728990), (15, 1267926), (18, 1056605), (22, 864495), (30, 633963), (33, 576330), (45, 422642), (55, 345798), (66, 288165), (90, 211321), (99, 192110), (110, 172899), (165, 115266), (198, 96055), (330, 57633), (495, 38422), (990, 19211)]