19385360

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1451}}^1$

素因数の和:1631

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 25986736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1451, 1670, 2672, 2902, 3340, 5804, 6680, 7255, 11608, 13360, 14510, 23216, 29020, 58040, 116080, 242317, 484634, 969268, 1211585, 1938536, 2423170, 3877072, 4846340, 9692680, 19385360]

約数ペア:

[(1, 19385360), (2, 9692680), (4, 4846340), (5, 3877072), (8, 2423170), (10, 1938536), (16, 1211585), (20, 969268), (40, 484634), (80, 242317), (167, 116080), (334, 58040), (668, 29020), (835, 23216), (1336, 14510), (1451, 13360), (1670, 11608), (2672, 7255), (2902, 6680), (3340, 5804)]