19749814

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 15605066

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 619, 742, 1238, 2279, 4333, 4558, 8666, 15953, 26617, 31906, 32807, 53234, 65614, 186319, 229649, 372638, 459298, 1410701, 2821402, 9874907, 19749814]

約数ペア:

[(1, 19749814), (2, 9874907), (7, 2821402), (14, 1410701), (43, 459298), (53, 372638), (86, 229649), (106, 186319), (301, 65614), (371, 53234), (602, 32807), (619, 31906), (742, 26617), (1238, 15953), (2279, 8666), (4333, 4558)]