19766188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4271}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 37679040

約数和(自身を除く): 17912852

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4271, 4628, 8542, 17084, 55523, 111046, 222092, 380119, 760238, 1520476, 4941547, 9883094, 19766188]

約数ペア:

[(1, 19766188), (2, 9883094), (4, 4941547), (13, 1520476), (26, 760238), (52, 380119), (89, 222092), (178, 111046), (356, 55523), (1157, 17084), (2314, 8542), (4271, 4628)]