19381640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21067}}^1$

素因数の和:21101

約数の個数: 32

約数和(自身を含む): 45506880

約数和(自身を除く): 26125240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21067, 42134, 84268, 105335, 168536, 210670, 421340, 484541, 842680, 969082, 1938164, 2422705, 3876328, 4845410, 9690820, 19381640]

約数ペア:

[(1, 19381640), (2, 9690820), (4, 4845410), (5, 3876328), (8, 2422705), (10, 1938164), (20, 969082), (23, 842680), (40, 484541), (46, 421340), (92, 210670), (115, 168536), (184, 105335), (230, 84268), (460, 42134), (920, 21067)]