19712108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2767}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 37434432

約数和(自身を除く): 17722324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 2767, 3562, 5534, 7124, 11068, 35971, 71942, 143884, 379079, 758158, 1516316, 4928027, 9856054, 19712108]

約数ペア:

[(1, 19712108), (2, 9856054), (4, 4928027), (13, 1516316), (26, 758158), (52, 379079), (137, 143884), (274, 71942), (548, 35971), (1781, 11068), (2767, 7124), (3562, 5534)]