19191808

素因数分解:

$2^{11}\times {\mathrm{9371}}^1$

素因数の和:9393

約数の個数: 24

約数和(自身を含む): 38378340

約数和(自身を除く): 19186532

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9371, 18742, 37484, 74968, 149936, 299872, 599744, 1199488, 2398976, 4797952, 9595904, 19191808]

約数ペア:

[(1, 19191808), (2, 9595904), (4, 4797952), (8, 2398976), (16, 1199488), (32, 599744), (64, 299872), (128, 149936), (256, 74968), (512, 37484), (1024, 18742), (2048, 9371)]