19325240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 28574920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 263, 334, 440, 526, 668, 835, 1052, 1315, 1336, 1670, 1837, 2104, 2630, 2893, 3340, 3674, 5260, 5786, 6680, 7348, 9185, 10520, 11572, 14465, 14696, 18370, 23144, 28930, 36740, 43921, 57860, 73480, 87842, 115720, 175684, 219605, 351368, 439210, 483131, 878420, 966262, 1756840, 1932524, 2415655, 3865048, 4831310, 9662620, 19325240]

約数ペア:

[(1, 19325240), (2, 9662620), (4, 4831310), (5, 3865048), (8, 2415655), (10, 1932524), (11, 1756840), (20, 966262), (22, 878420), (40, 483131), (44, 439210), (55, 351368), (88, 219605), (110, 175684), (167, 115720), (220, 87842), (263, 73480), (334, 57860), (440, 43921), (526, 36740), (668, 28930), (835, 23144), (1052, 18370), (1315, 14696), (1336, 14465), (1670, 11572), (1837, 10520), (2104, 9185), (2630, 7348), (2893, 6680), (3340, 5786), (3674, 5260)]