19691347178

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{18433}}^1\times {\mathrm{7523}}^1$

素因数の和:26029

約数の個数: 16

約数和(自身を含む): 29958641856

約数和(自身を除く): 10267294678

約数列:

[1, 2, 71, 142, 7523, 15046, 18433, 36866, 534133, 1068266, 1308743, 2617486, 138671459, 277342918, 9845673589, 19691347178]

約数ペア:

[(1, 19691347178), (2, 9845673589), (71, 277342918), (142, 138671459), (7523, 2617486), (15046, 1308743), (18433, 1068266), (36866, 534133)]