18922244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18998716

約数列:

[1, 2, 4, 11, 22, 37, 44, 59, 74, 118, 148, 197, 236, 394, 407, 649, 788, 814, 1298, 1628, 2167, 2183, 2596, 4334, 4366, 7289, 8668, 8732, 11623, 14578, 23246, 24013, 29156, 46492, 48026, 80179, 96052, 127853, 160358, 255706, 320716, 430051, 511412, 860102, 1720204, 4730561, 9461122, 18922244]

約数ペア:

[(1, 18922244), (2, 9461122), (4, 4730561), (11, 1720204), (22, 860102), (37, 511412), (44, 430051), (59, 320716), (74, 255706), (118, 160358), (148, 127853), (197, 96052), (236, 80179), (394, 48026), (407, 46492), (649, 29156), (788, 24013), (814, 23246), (1298, 14578), (1628, 11623), (2167, 8732), (2183, 8668), (2596, 7289), (4334, 4366)]