19623560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 48746880

約数和(自身を除く): 29123320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 433, 440, 515, 824, 866, 1030, 1133, 1732, 2060, 2165, 2266, 3464, 4120, 4330, 4532, 4763, 5665, 8660, 9064, 9526, 11330, 17320, 19052, 22660, 23815, 38104, 44599, 45320, 47630, 89198, 95260, 178396, 190520, 222995, 356792, 445990, 490589, 891980, 981178, 1783960, 1962356, 2452945, 3924712, 4905890, 9811780, 19623560]

約数ペア:

[(1, 19623560), (2, 9811780), (4, 4905890), (5, 3924712), (8, 2452945), (10, 1962356), (11, 1783960), (20, 981178), (22, 891980), (40, 490589), (44, 445990), (55, 356792), (88, 222995), (103, 190520), (110, 178396), (206, 95260), (220, 89198), (412, 47630), (433, 45320), (440, 44599), (515, 38104), (824, 23815), (866, 22660), (1030, 19052), (1133, 17320), (1732, 11330), (2060, 9526), (2165, 9064), (2266, 8660), (3464, 5665), (4120, 4763), (4330, 4532)]