19982014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 33685344

約数和(自身を除く): 13703330

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 293, 559, 586, 793, 1118, 1586, 2623, 3809, 5246, 7618, 12599, 17873, 25198, 34099, 35746, 68198, 163787, 232349, 327574, 464698, 768539, 1537078, 9991007, 19982014]

約数ペア:

[(1, 19982014), (2, 9991007), (13, 1537078), (26, 768539), (43, 464698), (61, 327574), (86, 232349), (122, 163787), (293, 68198), (559, 35746), (586, 34099), (793, 25198), (1118, 17873), (1586, 12599), (2623, 7618), (3809, 5246)]