19734160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12983}}^1$

素因数の和:13015

約数の個数: 40

約数和(自身を含む): 48300480

約数和(自身を除く): 28566320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12983, 25966, 51932, 64915, 103864, 129830, 207728, 246677, 259660, 493354, 519320, 986708, 1038640, 1233385, 1973416, 2466770, 3946832, 4933540, 9867080, 19734160]

約数ペア:

[(1, 19734160), (2, 9867080), (4, 4933540), (5, 3946832), (8, 2466770), (10, 1973416), (16, 1233385), (19, 1038640), (20, 986708), (38, 519320), (40, 493354), (76, 259660), (80, 246677), (95, 207728), (152, 129830), (190, 103864), (304, 64915), (380, 51932), (760, 25966), (1520, 12983)]