19433920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5521}}^1$

素因数の和:5549

約数の個数: 56

約数和(自身を含む): 50493168

約数和(自身を除く): 31059248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5521, 11042, 22084, 27605, 44168, 55210, 60731, 88336, 110420, 121462, 176672, 220840, 242924, 303655, 353344, 441680, 485848, 607310, 883360, 971696, 1214620, 1766720, 1943392, 2429240, 3886784, 4858480, 9716960, 19433920]

約数ペア:

[(1, 19433920), (2, 9716960), (4, 4858480), (5, 3886784), (8, 2429240), (10, 1943392), (11, 1766720), (16, 1214620), (20, 971696), (22, 883360), (32, 607310), (40, 485848), (44, 441680), (55, 353344), (64, 303655), (80, 242924), (88, 220840), (110, 176672), (160, 121462), (176, 110420), (220, 88336), (320, 60731), (352, 55210), (440, 44168), (704, 27605), (880, 22084), (1760, 11042), (3520, 5521)]