19738489678

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4372727}}^1$

素因数の和:4372827

約数の個数: 16

約数和(自身を含む): 30906441504

約数和(自身を除く): 11167951826

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4514, 4372727, 8745454, 161790899, 266736347, 323581798, 533472694, 9869244839, 19738489678]

約数ペア:

[(1, 19738489678), (2, 9869244839), (37, 533472694), (61, 323581798), (74, 266736347), (122, 161790899), (2257, 8745454), (4514, 4372727)]