19463840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11059}}^1$

素因数の和:11085

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 30704320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11059, 22118, 44236, 55295, 88472, 110590, 121649, 176944, 221180, 243298, 353888, 442360, 486596, 608245, 884720, 973192, 1216490, 1769440, 1946384, 2432980, 3892768, 4865960, 9731920, 19463840]

約数ペア:

[(1, 19463840), (2, 9731920), (4, 4865960), (5, 3892768), (8, 2432980), (10, 1946384), (11, 1769440), (16, 1216490), (20, 973192), (22, 884720), (32, 608245), (40, 486596), (44, 442360), (55, 353888), (80, 243298), (88, 221180), (110, 176944), (160, 121649), (176, 110590), (220, 88472), (352, 55295), (440, 44236), (880, 22118), (1760, 11059)]