19521424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 41108480

約数和(自身を除く): 21587056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 739, 1016, 1478, 1651, 2032, 2956, 3302, 5912, 6604, 9607, 11824, 13208, 19214, 26416, 38428, 76856, 93853, 153712, 187706, 375412, 750824, 1220089, 1501648, 2440178, 4880356, 9760712, 19521424]

約数ペア:

[(1, 19521424), (2, 9760712), (4, 4880356), (8, 2440178), (13, 1501648), (16, 1220089), (26, 750824), (52, 375412), (104, 187706), (127, 153712), (208, 93853), (254, 76856), (508, 38428), (739, 26416), (1016, 19214), (1478, 13208), (1651, 11824), (2032, 9607), (2956, 6604), (3302, 5912)]