19485968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52951}}^1$

素因数の和:52982

約数の個数: 20

約数和(自身を含む): 39396288

約数和(自身を除く): 19910320

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52951, 105902, 211804, 423608, 847216, 1217873, 2435746, 4871492, 9742984, 19485968]

約数ペア:

[(1, 19485968), (2, 9742984), (4, 4871492), (8, 2435746), (16, 1217873), (23, 847216), (46, 423608), (92, 211804), (184, 105902), (368, 52951)]