18730960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12323}}^1$

素因数の和:12355

約数の個数: 40

約数和(自身を含む): 45845280

約数和(自身を除く): 27114320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12323, 24646, 49292, 61615, 98584, 123230, 197168, 234137, 246460, 468274, 492920, 936548, 985840, 1170685, 1873096, 2341370, 3746192, 4682740, 9365480, 18730960]

約数ペア:

[(1, 18730960), (2, 9365480), (4, 4682740), (5, 3746192), (8, 2341370), (10, 1873096), (16, 1170685), (19, 985840), (20, 936548), (38, 492920), (40, 468274), (76, 246460), (80, 234137), (95, 197168), (152, 123230), (190, 98584), (304, 61615), (380, 49292), (760, 24646), (1520, 12323)]