19689826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13211294

約数列:

[1, 2, 13, 26, 67, 89, 127, 134, 178, 254, 871, 1157, 1651, 1742, 2314, 3302, 5963, 8509, 11303, 11926, 17018, 22606, 77519, 110617, 146939, 155038, 221234, 293878, 757301, 1514602, 9844913, 19689826]

約数ペア:

[(1, 19689826), (2, 9844913), (13, 1514602), (26, 757301), (67, 293878), (89, 221234), (127, 155038), (134, 146939), (178, 110617), (254, 77519), (871, 22606), (1157, 17018), (1651, 11926), (1742, 11303), (2314, 8509), (3302, 5963)]