19212316

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 34685280

約数和(自身を除く): 15472964

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1109, 2218, 4331, 4436, 8662, 17324, 67649, 78739, 135298, 157478, 270596, 314956, 4803079, 9606158, 19212316]

約数ペア:

[(1, 19212316), (2, 9606158), (4, 4803079), (61, 314956), (71, 270596), (122, 157478), (142, 135298), (244, 78739), (284, 67649), (1109, 17324), (2218, 8662), (4331, 4436)]