19840268

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4243}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 39927552

約数和(自身を除く): 20087284

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4243, 4676, 8486, 16972, 29701, 59402, 118804, 708581, 1417162, 2834324, 4960067, 9920134, 19840268]

約数ペア:

[(1, 19840268), (2, 9920134), (4, 4960067), (7, 2834324), (14, 1417162), (28, 708581), (167, 118804), (334, 59402), (668, 29701), (1169, 16972), (2338, 8486), (4243, 4676)]