18920354

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 13220446

約数列:

[1, 2, 17, 29, 31, 34, 58, 62, 493, 527, 619, 899, 986, 1054, 1238, 1798, 10523, 15283, 17951, 19189, 21046, 30566, 35902, 38378, 305167, 326213, 556481, 610334, 652426, 1112962, 9460177, 18920354]

約数ペア:

[(1, 18920354), (2, 9460177), (17, 1112962), (29, 652426), (31, 610334), (34, 556481), (58, 326213), (62, 305167), (493, 38378), (527, 35902), (619, 30566), (899, 21046), (986, 19189), (1054, 17951), (1238, 15283), (1798, 10523)]