19630600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8923}}^1$

素因数の和:8950

約数の個数: 48

約数和(自身を含む): 49795920

約数和(自身を除く): 30165320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8923, 17846, 35692, 44615, 71384, 89230, 98153, 178460, 196306, 223075, 356920, 392612, 446150, 490765, 785224, 892300, 981530, 1784600, 1963060, 2453825, 3926120, 4907650, 9815300, 19630600]

約数ペア:

[(1, 19630600), (2, 9815300), (4, 4907650), (5, 3926120), (8, 2453825), (10, 1963060), (11, 1784600), (20, 981530), (22, 892300), (25, 785224), (40, 490765), (44, 446150), (50, 392612), (55, 356920), (88, 223075), (100, 196306), (110, 178460), (200, 98153), (220, 89230), (275, 71384), (440, 44615), (550, 35692), (1100, 17846), (2200, 8923)]