19423568

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18119}}^1$

素因数の和:18194

約数の個数: 20

約数和(自身を含む): 38196960

約数和(自身を除く): 18773392

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18119, 36238, 72476, 144952, 289904, 1213973, 2427946, 4855892, 9711784, 19423568]

約数ペア:

[(1, 19423568), (2, 9711784), (4, 4855892), (8, 2427946), (16, 1213973), (67, 289904), (134, 144952), (268, 72476), (536, 36238), (1072, 18119)]