16872760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^2$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 40231800

約数和(自身を除く): 23359040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22201, 22648, 28310, 44402, 56620, 88804, 111005, 113240, 177608, 222010, 421819, 444020, 843638, 888040, 1687276, 2109095, 3374552, 4218190, 8436380, 16872760]

約数ペア:

[(1, 16872760), (2, 8436380), (4, 4218190), (5, 3374552), (8, 2109095), (10, 1687276), (19, 888040), (20, 843638), (38, 444020), (40, 421819), (76, 222010), (95, 177608), (149, 113240), (152, 111005), (190, 88804), (298, 56620), (380, 44402), (596, 28310), (745, 22648), (760, 22201), (1192, 14155), (1490, 11324), (2831, 5960), (2980, 5662)]