189278416

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{29501}}^1$

素因数の和:29910

約数の個数: 20

約数和(自身を含む): 367653924

約数和(自身を除く): 178375508

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 29501, 59002, 118004, 236008, 472016, 11829901, 23659802, 47319604, 94639208, 189278416]

約数ペア:

[(1, 189278416), (2, 94639208), (4, 47319604), (8, 23659802), (16, 11829901), (401, 472016), (802, 236008), (1604, 118004), (3208, 59002), (6416, 29501)]