18802960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 49818240

約数和(自身を除く): 31015280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 929, 1012, 1265, 1840, 1858, 2024, 2530, 3716, 4048, 4645, 5060, 7432, 9290, 10120, 10219, 14864, 18580, 20240, 20438, 21367, 37160, 40876, 42734, 51095, 74320, 81752, 85468, 102190, 106835, 163504, 170936, 204380, 213670, 235037, 341872, 408760, 427340, 470074, 817520, 854680, 940148, 1175185, 1709360, 1880296, 2350370, 3760592, 4700740, 9401480, 18802960]

約数ペア:

[(1, 18802960), (2, 9401480), (4, 4700740), (5, 3760592), (8, 2350370), (10, 1880296), (11, 1709360), (16, 1175185), (20, 940148), (22, 854680), (23, 817520), (40, 470074), (44, 427340), (46, 408760), (55, 341872), (80, 235037), (88, 213670), (92, 204380), (110, 170936), (115, 163504), (176, 106835), (184, 102190), (220, 85468), (230, 81752), (253, 74320), (368, 51095), (440, 42734), (460, 40876), (506, 37160), (880, 21367), (920, 20438), (929, 20240), (1012, 18580), (1265, 14864), (1840, 10219), (1858, 10120), (2024, 9290), (2530, 7432), (3716, 5060), (4048, 4645)]