19995448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11959}}^1$

素因数の和:11995

約数の個数: 32

約数和(自身を含む): 43056000

約数和(自身を除く): 23060552

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11959, 23918, 47836, 95672, 131549, 227221, 263098, 454442, 526196, 908884, 1052392, 1817768, 2499431, 4998862, 9997724, 19995448]

約数ペア:

[(1, 19995448), (2, 9997724), (4, 4998862), (8, 2499431), (11, 1817768), (19, 1052392), (22, 908884), (38, 526196), (44, 454442), (76, 263098), (88, 227221), (152, 131549), (209, 95672), (418, 47836), (836, 23918), (1672, 11959)]