19408928

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7877}}^1$

素因数の和:7905

約数の個数: 48

約数和(自身を含む): 47646144

約数和(自身を除く): 28237216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 7877, 15754, 31508, 55139, 63016, 86647, 110278, 126032, 173294, 220556, 252064, 346588, 441112, 606529, 693176, 882224, 1213058, 1386352, 1764448, 2426116, 2772704, 4852232, 9704464, 19408928]

約数ペア:

[(1, 19408928), (2, 9704464), (4, 4852232), (7, 2772704), (8, 2426116), (11, 1764448), (14, 1386352), (16, 1213058), (22, 882224), (28, 693176), (32, 606529), (44, 441112), (56, 346588), (77, 252064), (88, 220556), (112, 173294), (154, 126032), (176, 110278), (224, 86647), (308, 63016), (352, 55139), (616, 31508), (1232, 15754), (2464, 7877)]