19523240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44371}}^1$

素因数の和:44393

約数の個数: 32

約数和(自身を含む): 47921760

約数和(自身を除く): 28398520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44371, 88742, 177484, 221855, 354968, 443710, 488081, 887420, 976162, 1774840, 1952324, 2440405, 3904648, 4880810, 9761620, 19523240]

約数ペア:

[(1, 19523240), (2, 9761620), (4, 4880810), (5, 3904648), (8, 2440405), (10, 1952324), (11, 1774840), (20, 976162), (22, 887420), (40, 488081), (44, 443710), (55, 354968), (88, 221855), (110, 177484), (220, 88742), (440, 44371)]