19900242

素因数分解:

$2^1\times 3^6\times {\mathrm{13649}}^1$

素因数の和:13669

約数の個数: 28

約数和(自身を含む): 44758350

約数和(自身を除く): 24858108

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 13649, 27298, 40947, 81894, 122841, 245682, 368523, 737046, 1105569, 2211138, 3316707, 6633414, 9950121, 19900242]

約数ペア:

[(1, 19900242), (2, 9950121), (3, 6633414), (6, 3316707), (9, 2211138), (18, 1105569), (27, 737046), (54, 368523), (81, 245682), (162, 122841), (243, 81894), (486, 40947), (729, 27298), (1458, 13649)]