18942488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 19885672

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4493, 8986, 17972, 35944, 76381, 139283, 152762, 278566, 305524, 557132, 611048, 1114264, 2367811, 4735622, 9471244, 18942488]

約数ペア:

[(1, 18942488), (2, 9471244), (4, 4735622), (8, 2367811), (17, 1114264), (31, 611048), (34, 557132), (62, 305524), (68, 278566), (124, 152762), (136, 139283), (248, 76381), (527, 35944), (1054, 17972), (2108, 8986), (4216, 4493)]